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BaseRepresentation
bin111010000011111010010001…
…111011110110100001110111
31020111010202000020200120122011
4322003322101323312201313
5231432220412101040201
62303032400015345051
7104533551463004311
oct7203722173664167
91214122006616564
10255355434002551
11744006a4434843
1224781716222187
13ac63bb638b64c
14470b3aa0007b1
151e7c5aa559151
hexe83e91ef6877

255355434002551 has 4 divisors (see below), whose sum is σ = 270376341885072. Its totient is φ = 240334526120032.

The previous prime is 255355434002491. The next prime is 255355434002573. The reversal of 255355434002551 is 155200434553552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255355434002551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255355434002495 and 255355434002504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255355432002551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7510453941235 + ... + 7510453941268.

It is an arithmetic number, because the mean of its divisors is an integer number (67594085471268).

Almost surely, 2255355434002551 is an apocalyptic number.

255355434002551 is a deficient number, since it is larger than the sum of its proper divisors (15020907882521).

255355434002551 is a wasteful number, since it uses less digits than its factorization.

255355434002551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020907882520.

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 255355434002551 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-four million, two thousand, five hundred fifty-one".

Divisors: 1 17 15020907882503 255355434002551