12537617104 has 20 divisors (see below), whose sum is σ = 24293372580. Its totient is φ = 6268359680.

The previous prime is 12537617087. The next prime is 12537617119. The reversal of 12537617104 is 40171673521.

It can be written as a sum of positive squares in 2 ways, for example, as 9206018704 + 3331598400 = 95948^2 + 57720^2 .

It is a congruent number.

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, 404064 + ... + 433984.

It is an arithmetic number, because the mean of its divisors is an integer number (1214668629).

Almost surely, 2^12537617104 is an apocalyptic number.

It is an amenable number.

12537617104 is a deficient number, since it is larger than the sum of its proper divisors (11755755476).

12537617104 is a wasteful number, since it uses less digits than its factorization.

12537617104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56118 (or 56112 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 12537617104 in words is "twelve billion, five hundred thirty-seven million, six hundred seventeen thousand, one hundred four".