232121155065215 has 16 divisors (see below), whose sum is σ = 299973528327648. Its totient is φ = 171411645799296.

The previous prime is 232121155065209. The next prime is 232121155065221. The reversal of 232121155065215 is 512560551121232.

It is an interprime number because it is at equal distance from previous prime (232121155065209) and next prime (232121155065221).

It is a cyclic number.

It is not a de Polignac number, because 232121155065215 - 2¹⁴ = 232121155048831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3242249 + ... + 21788861.

It is an arithmetic number, because the mean of its divisors is an integer number (18748345520478).

Almost surely, 2^{232121155065215} is an apocalyptic number.

232121155065215 is a deficient number, since it is larger than the sum of its proper divisors (67852373262433).

232121155065215 is a wasteful number, since it uses less digits than its factorization.

232121155065215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739178.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 232121155065215 in words is "two hundred thirty-two trillion, one hundred twenty-one billion, one hundred fifty-five million, sixty-five thousand, two hundred fifteen".