25250917153 has 16 divisors (see below), whose sum is σ = 31488251904. Its totient is φ = 19671921360.

The previous prime is 25250917127. The next prime is 25250917201. The reversal of 25250917153 is 35171905252.

It is not a de Polignac number, because 25250917153 - 2⁹ = 25250916641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25250957153) 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, 366126 + ... + 429592.

It is an arithmetic number, because the mean of its divisors is an integer number (1968015744).

Almost surely, 2^25250917153 is an apocalyptic number.

It is an amenable number.

25250917153 is a deficient number, since it is larger than the sum of its proper divisors (6237334751).

25250917153 is a wasteful number, since it uses less digits than its factorization.

25250917153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68652.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 25250917153 in words is "twenty-five billion, two hundred fifty million, nine hundred seventeen thousand, one hundred fifty-three".