12591252475101 has 112 divisors (see below), whose sum is σ = 20217412878336. Its totient is φ = 7820132905728.

The previous prime is 12591252475037. The next prime is 12591252475127. The reversal of 12591252475101 is 10157425219521.

12591252475101 is a `hidden beast` number, since 1 + 2 + 5 + 9 + 12 + 524 + 7 + 5 + 101 = 666.

12591252475101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12591252475101 - 2⁶ = 12591252475037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12591252475141) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 121693476 + ... + 121796898.

Almost surely, 2^{12591252475101} is an apocalyptic number.

It is an amenable number.

12591252475101 is a deficient number, since it is larger than the sum of its proper divisors (7626160403235).

12591252475101 is a wasteful number, since it uses less digits than its factorization.

12591252475101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103654 (or 103639 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 12591252475101 in words is "twelve trillion, five hundred ninety-one billion, two hundred fifty-two million, four hundred seventy-five thousand, one hundred one".