25001530113 has 16 divisors (see below), whose sum is σ = 38099911680. Its totient is φ = 14285710416.

The previous prime is 25001530091. The next prime is 25001530121. The reversal of 25001530113 is 31103510052.

It is not a de Polignac number, because 25001530113 - 2⁸ = 25001529857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25001530113.

It is not an unprimeable number, because it can be changed into a prime (25001530123) 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, 488158 + ... + 536936.

It is an arithmetic number, because the mean of its divisors is an integer number (2381244480).

Almost surely, 2^25001530113 is an apocalyptic number.

It is an amenable number.

25001530113 is a deficient number, since it is larger than the sum of its proper divisors (13098381567).

25001530113 is a wasteful number, since it uses less digits than its factorization.

25001530113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73196.

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 25001530113 in words is "twenty-five billion, one million, five hundred thirty thousand, one hundred thirteen".