15117163412 has 12 divisors (see below), whose sum is σ = 28490038836. Its totient is φ = 6977152320.

The previous prime is 15117163403. The next prime is 15117163469. The reversal of 15117163412 is 21436171151.

It can be written as a sum of positive squares in 2 ways, for example, as 4917375376 + 10199788036 = 70124^2 + 100994^2 .

It is a super-2 number, since 2×15117163412² (a number of 21 digits) contains 22 as substring.

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, 145357289 + ... + 145357392.

It is an arithmetic number, because the mean of its divisors is an integer number (2374169903).

Almost surely, 2^15117163412 is an apocalyptic number.

It is an amenable number.

15117163412 is a deficient number, since it is larger than the sum of its proper divisors (13372875424).

15117163412 is a wasteful number, since it uses less digits than its factorization.

15117163412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290714698 (or 290714696 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The spelling of 15117163412 in words is "fifteen billion, one hundred seventeen million, one hundred sixty-three thousand, four hundred twelve".