13156332642215 has 96 divisors (see below), whose sum is σ = 19835578546560. Its totient is φ = 8327017036800.

The previous prime is 13156332642137. The next prime is 13156332642253. The reversal of 13156332642215 is 51224623365131.

It is not a de Polignac number, because 13156332642215 - 2¹⁸ = 13156332380071 is a prime.

It is a super-2 number, since 2×13156332642215² (a number of 27 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 95 ways as a sum of consecutive naturals, for example, 304093685 + ... + 304136945.

It is an arithmetic number, because the mean of its divisors is an integer number (206620609860).

Almost surely, 2^{13156332642215} is an apocalyptic number.

13156332642215 is a deficient number, since it is larger than the sum of its proper divisors (6679245904345).

13156332642215 is a wasteful number, since it uses less digits than its factorization.

13156332642215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45193 (or 45186 counting only the distinct ones).

The product of its digits is 777600, while the sum is 44.

The spelling of 13156332642215 in words is "thirteen trillion, one hundred fifty-six billion, three hundred thirty-two million, six hundred forty-two thousand, two hundred fifteen".