255154424451553 has 4 divisors (see below), whose sum is σ = 278350281219888. Its totient is φ = 231958567683220.

The previous prime is 255154424451517. The next prime is 255154424451571. The reversal of 255154424451553 is 355154424451552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255154424451553 - 2³⁷ = 255016985498081 is a prime.

It is a super-2 number, since 2×255154424451553² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255154424451494 and 255154424451503.

It is not an unprimeable number, because it can be changed into a prime (255154424451593) 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, 11597928384151 + ... + 11597928384172.

It is an arithmetic number, because the mean of its divisors is an integer number (69587570304972).

Almost surely, 2^{255154424451553} is an apocalyptic number.

It is an amenable number.

255154424451553 is a deficient number, since it is larger than the sum of its proper divisors (23195856768335).

255154424451553 is a wasteful number, since it uses less digits than its factorization.

255154424451553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23195856768334.

The product of its digits is 48000000, while the sum is 55.

Subtracting 255154424451553 from its reverse (355154424451552), we obtain a palindrome (99999999999999).

The spelling of 255154424451553 in words is "two hundred fifty-five trillion, one hundred fifty-four billion, four hundred twenty-four million, four hundred fifty-one thousand, five hundred fifty-three".