25255116051 has 16 divisors (see below), whose sum is σ = 36760417920. Its totient is φ = 15295421120.

The previous prime is 25255116049. The next prime is 25255116079. The reversal of 25255116051 is 15061155252.

It is a cyclic number.

It is not a de Polignac number, because 25255116051 - 2¹ = 25255116049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25255116091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219741 + ... + 314318.

It is an arithmetic number, because the mean of its divisors is an integer number (2297526120).

Almost surely, 2^25255116051 is an apocalyptic number.

25255116051 is a deficient number, since it is larger than the sum of its proper divisors (11505301869).

25255116051 is a wasteful number, since it uses less digits than its factorization.

25255116051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535506.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 25255116051 in words is "twenty-five billion, two hundred fifty-five million, one hundred sixteen thousand, fifty-one".