255541551251 has 24 divisors (see below), whose sum is σ = 312950520000. Its totient is φ = 207479243664.

The previous prime is 255541551229. The next prime is 255541551263. The reversal of 255541551251 is 152155145552.

It is not a de Polignac number, because 255541551251 - 2¹⁰ = 255541550227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255541551199 and 255541551208.

It is not an unprimeable number, because it can be changed into a prime (255541551211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9388580 + ... + 9415758.

It is an arithmetic number, because the mean of its divisors is an integer number (13039605000).

Almost surely, 2^255541551251 is an apocalyptic number.

255541551251 is a deficient number, since it is larger than the sum of its proper divisors (57408968749).

255541551251 is a wasteful number, since it uses less digits than its factorization.

255541551251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37311 (or 37304 counting only the distinct ones).

The product of its digits is 250000, while the sum is 41.

The spelling of 255541551251 in words is "two hundred fifty-five billion, five hundred forty-one million, five hundred fifty-one thousand, two hundred fifty-one".