12537617103 has 32 divisors (see below), whose sum is σ = 20272377600. Its totient is φ = 7594970400.

The previous prime is 12537617087. The next prime is 12537617119. The reversal of 12537617103 is 30171673521.

12537617103 is a `hidden beast` number, since 1 + 2 + 5 + 37 + 617 + 1 + 0 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (12537617087) and next prime (12537617119).

It is not a de Polignac number, because 12537617103 - 2⁴ = 12537617087 is a prime.

It is a super-2 number, since 2×12537617103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12537617173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707313 + ... + 724821.

It is an arithmetic number, because the mean of its divisors is an integer number (633511800).

Almost surely, 2^12537617103 is an apocalyptic number.

12537617103 is a deficient number, since it is larger than the sum of its proper divisors (7734760497).

12537617103 is a wasteful number, since it uses less digits than its factorization.

12537617103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19940 (or 19934 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 12537617103 in words is "twelve billion, five hundred thirty-seven million, six hundred seventeen thousand, one hundred three".