25115012440465 has 16 divisors (see below), whose sum is σ = 30932067963456. Its totient is φ = 19565464564800.

The previous prime is 25115012440459. The next prime is 25115012440487. The reversal of 25115012440465 is 56404421051152.

It is not a de Polignac number, because 25115012440465 - 2⁵ = 25115012440433 is a prime.

It is a super-4 number, since 4×25115012440465⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176385046 + ... + 176527375.

It is an arithmetic number, because the mean of its divisors is an integer number (1933254247716).

Almost surely, 2^{25115012440465} is an apocalyptic number.

It is an amenable number.

25115012440465 is a deficient number, since it is larger than the sum of its proper divisors (5817055522991).

25115012440465 is a wasteful number, since it uses less digits than its factorization.

25115012440465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352912800.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 25115012440465 in words is "twenty-five trillion, one hundred fifteen billion, twelve million, four hundred forty thousand, four hundred sixty-five".