25238064105 has 48 divisors (see below), whose sum is σ = 46834865280. Its totient is φ = 12870554400.

The previous prime is 25238064091. The next prime is 25238064121. The reversal of 25238064105 is 50146083252.

25238064105 is a `hidden beast` number, since 2 + 5 + 2 + 3 + 8 + 0 + 641 + 0 + 5 = 666.

It is not a de Polignac number, because 25238064105 - 2²⁶ = 25170955241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25238064105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8850930 + ... + 8853780.

It is an arithmetic number, because the mean of its divisors is an integer number (975726360).

Almost surely, 2^25238064105 is an apocalyptic number.

It is an amenable number.

25238064105 is a deficient number, since it is larger than the sum of its proper divisors (21596801175).

25238064105 is an frugal number, since it uses more digits than its factorization.

25238064105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 25238064105 in words is "twenty-five billion, two hundred thirty-eight million, sixty-four thousand, one hundred five".