72228963855175 has 24 divisors (see below), whose sum is σ = 91508784705792. Its totient is φ = 56538335568000.

The previous prime is 72228963855161. The next prime is 72228963855221. The reversal of 72228963855175 is 57155836982227.

It is a happy number.

It is not a de Polignac number, because 72228963855175 - 2¹³ = 72228963846983 is a prime.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 123696304 + ... + 124278853.

It is an arithmetic number, because the mean of its divisors is an integer number (3812866029408).

Almost surely, 2^{72228963855175} is an apocalyptic number.

72228963855175 is a deficient number, since it is larger than the sum of its proper divisors (19279820850617).

72228963855175 is a wasteful number, since it uses less digits than its factorization.

72228963855175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247975419 (or 247975414 counting only the distinct ones).

The product of its digits is 508032000, while the sum is 70.

The spelling of 72228963855175 in words is "seventy-two trillion, two hundred twenty-eight billion, nine hundred sixty-three million, eight hundred fifty-five thousand, one hundred seventy-five".