25012665053 has 16 divisors (see below), whose sum is σ = 26290919424. Its totient is φ = 23766248880.

The previous prime is 25012665043. The next prime is 25012665077. The reversal of 25012665053 is 35056621052.

It is a cyclic number.

It is not a de Polignac number, because 25012665053 - 2²⁴ = 24995887837 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 (25012665043) 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, 618026 + ... + 657252.

It is an arithmetic number, because the mean of its divisors is an integer number (1643182464).

Almost surely, 2^25012665053 is an apocalyptic number.

It is an amenable number.

25012665053 is a deficient number, since it is larger than the sum of its proper divisors (1278254371).

25012665053 is a wasteful number, since it uses less digits than its factorization.

25012665053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39632.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 25012665053 in words is "twenty-five billion, twelve million, six hundred sixty-five thousand, fifty-three".