25025822465 has 16 divisors (see below), whose sum is σ = 34333559040. Its totient is φ = 17154348480.

The previous prime is 25025822461. The next prime is 25025822473. The reversal of 25025822465 is 56422852052.

It is not a de Polignac number, because 25025822465 - 2² = 25025822461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25025822461) 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, 30410 + ... + 225779.

It is an arithmetic number, because the mean of its divisors is an integer number (2145847440).

Almost surely, 2^25025822465 is an apocalyptic number.

It is an amenable number.

25025822465 is a deficient number, since it is larger than the sum of its proper divisors (9307736575).

25025822465 is a wasteful number, since it uses less digits than its factorization.

25025822465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258992.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 25025822465 in words is "twenty-five billion, twenty-five million, eight hundred twenty-two thousand, four hundred sixty-five".