25511500113 has 64 divisors (see below), whose sum is σ = 38519193600. Its totient is φ = 14887208000.

The previous prime is 25511500103. The next prime is 25511500121. The reversal of 25511500113 is 31100511552.

It is a cyclic number.

It is not a de Polignac number, because 25511500113 - 2⁴ = 25511500097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25511500103) 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 63 ways as a sum of consecutive naturals, for example, 24743908 + ... + 24744938.

It is an arithmetic number, because the mean of its divisors is an integer number (601862400).

Almost surely, 2^25511500113 is an apocalyptic number.

It is an amenable number.

25511500113 is a deficient number, since it is larger than the sum of its proper divisors (13007693487).

25511500113 is a wasteful number, since it uses less digits than its factorization.

25511500113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 25511500113 in words is "twenty-five billion, five hundred eleven million, five hundred thousand, one hundred thirteen".