12601453544 has 16 divisors (see below), whose sum is σ = 23836822020. Its totient is φ = 6244967680.

The previous prime is 12601453519. The next prime is 12601453561. The reversal of 12601453544 is 44535410621.

It can be written as a sum of positive squares in 2 ways, for example, as 12574931044 + 26522500 = 112138^2 + 5150^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6968927 + ... + 6970734.

Almost surely, 2^12601453544 is an apocalyptic number.

It is an amenable number.

12601453544 is a deficient number, since it is larger than the sum of its proper divisors (11235368476).

12601453544 is a wasteful number, since it uses less digits than its factorization.

12601453544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939780 (or 13939776 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 12601453544 in words is "twelve billion, six hundred one million, four hundred fifty-three thousand, five hundred forty-four".