25511204051 has 8 divisors (see below), whose sum is σ = 25969118400. Its totient is φ = 25054140520.

The previous prime is 25511204023. The next prime is 25511204053. The reversal of 25511204051 is 15040211552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25511204051 - 2³⁰ = 24437462227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25511204051.

It is not an unprimeable number, because it can be changed into a prime (25511204053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152045 + ... + 272286.

It is an arithmetic number, because the mean of its divisors is an integer number (3246139800).

Almost surely, 2^25511204051 is an apocalyptic number.

25511204051 is a deficient number, since it is larger than the sum of its proper divisors (457914349).

25511204051 is a wasteful number, since it uses less digits than its factorization.

25511204051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425409.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 25511204051 in words is "twenty-five billion, five hundred eleven million, two hundred four thousand, fifty-one".