25201534013 has 16 divisors (see below), whose sum is σ = 26846339520. Its totient is φ = 23589398016.

The previous prime is 25201533911. The next prime is 25201534019. The reversal of 25201534013 is 31043510252.

It is a happy number.

It is not a de Polignac number, because 25201534013 - 2²⁸ = 24933098557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25201534019) 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, 1118606 + ... + 1140912.

It is an arithmetic number, because the mean of its divisors is an integer number (1677896220).

Almost surely, 2^25201534013 is an apocalyptic number.

It is an amenable number.

25201534013 is a deficient number, since it is larger than the sum of its proper divisors (1644805507).

25201534013 is a wasteful number, since it uses less digits than its factorization.

25201534013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23036.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 25201534013 in words is "twenty-five billion, two hundred one million, five hundred thirty-four thousand, thirteen".