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25275505555553 = 1110122750230023
BaseRepresentation
bin1011011111100111010011…
…00001111011100001100001
310022111022111102212221211212
411233303221201323201201
511303103213410234203
6125431223522515505
75216044406251061
oct557635141734141
9108438442787755
1025275505555553
118065310a56180
122a0268b805b95
13111461561c096
146354ab99d3a1
152dc7196581d8
hex16fce987b861

25275505555553 has 8 divisors (see below), whose sum is σ = 27846281549376. Its totient is φ = 22750230022000.

The previous prime is 25275505555513. The next prime is 25275505555567. The reversal of 25275505555553 is 35555550557252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25275505555553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25275505555492 and 25275505555501.

It is not an unprimeable number, because it can be changed into a prime (25275505555513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11375113901 + ... + 11375116122.

It is an arithmetic number, because the mean of its divisors is an integer number (3480785193672).

Almost surely, 225275505555553 is an apocalyptic number.

It is an amenable number.

25275505555553 is a deficient number, since it is larger than the sum of its proper divisors (2570775993823).

25275505555553 is a wasteful number, since it uses less digits than its factorization.

25275505555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22750230135.

The product of its (nonzero) digits is 164062500, while the sum is 59.

The spelling of 25275505555553 in words is "twenty-five trillion, two hundred seventy-five billion, five hundred five million, five hundred fifty-five thousand, five hundred fifty-three".

Divisors: 1 11 101 1111 22750230023 250252530253 2297773232323 25275505555553