2555511028251 has 64 divisors (see below), whose sum is σ = 3649016770560. Its totient is φ = 1588457502720.

The previous prime is 2555511028223. The next prime is 2555511028271. The reversal of 2555511028251 is 1528201155552.

It is not a de Polignac number, because 2555511028251 - 2⁷ = 2555511028123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555511028271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50124865 + ... + 50175821.

It is an arithmetic number, because the mean of its divisors is an integer number (57015887040).

Almost surely, 2^{2555511028251} is an apocalyptic number.

2555511028251 is a deficient number, since it is larger than the sum of its proper divisors (1093505742309).

2555511028251 is a wasteful number, since it uses less digits than its factorization.

2555511028251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51236.

The product of its (nonzero) digits is 200000, while the sum is 42.

The spelling of 2555511028251 in words is "two trillion, five hundred fifty-five billion, five hundred eleven million, twenty-eight thousand, two hundred fifty-one".