2551050857265 has 32 divisors (see below), whose sum is σ = 4095218856960. Its totient is φ = 1356049353984.

The previous prime is 2551050857213. The next prime is 2551050857317. The reversal of 2551050857265 is 5627580501552.

It is an interprime number because it is at equal distance from previous prime (2551050857213) and next prime (2551050857317).

It is not a de Polignac number, because 2551050857265 - 2⁷ = 2551050857137 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31861312 + ... + 31941278.

It is an arithmetic number, because the mean of its divisors is an integer number (127975589280).

Almost surely, 2^{2551050857265} is an apocalyptic number.

It is an amenable number.

2551050857265 is a deficient number, since it is larger than the sum of its proper divisors (1544167999695).

2551050857265 is a wasteful number, since it uses less digits than its factorization.

2551050857265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87001.

The product of its (nonzero) digits is 4200000, while the sum is 51.

The spelling of 2551050857265 in words is "two trillion, five hundred fifty-one billion, fifty million, eight hundred fifty-seven thousand, two hundred sixty-five".