25137764013775 has 12 divisors (see below), whose sum is σ = 35623802716912. Its totient is φ = 17237323895040.

The previous prime is 25137764013767. The next prime is 25137764013781. The reversal of 25137764013775 is 57731046773152.

It is not a de Polignac number, because 25137764013775 - 2³ = 25137764013767 is a prime.

It is a super-2 number, since 2×25137764013775² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71822182722 + ... + 71822183071.

Almost surely, 2^{25137764013775} is an apocalyptic number.

25137764013775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25137764013775 is a deficient number, since it is larger than the sum of its proper divisors (10486038703137).

25137764013775 is a wasteful number, since it uses less digits than its factorization.

25137764013775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143644365810 (or 143644365805 counting only the distinct ones).

The product of its (nonzero) digits is 25930800, while the sum is 58.

The spelling of 25137764013775 in words is "twenty-five trillion, one hundred thirty-seven billion, seven hundred sixty-four million, thirteen thousand, seven hundred seventy-five".