38220968115 has 24 divisors (see below), whose sum is σ = 72272377008. Its totient is φ = 18531378240.

The previous prime is 38220968111. The next prime is 38220968161. The reversal of 38220968115 is 51186902283.

38220968115 is a `hidden beast` number, since 382 + 209 + 68 + 1 + 1 + 5 = 666.

It is not a de Polignac number, because 38220968115 - 2² = 38220968111 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (38220968111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38606544 + ... + 38607533.

It is an arithmetic number, because the mean of its divisors is an integer number (3011349042).

Almost surely, 2^38220968115 is an apocalyptic number.

38220968115 is a deficient number, since it is larger than the sum of its proper divisors (34051408893).

38220968115 is a wasteful number, since it uses less digits than its factorization.

38220968115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77214099 (or 77214096 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 38220968115 in words is "thirty-eight billion, two hundred twenty million, nine hundred sixty-eight thousand, one hundred fifteen".