272155363187172 has 24 divisors (see below), whose sum is σ = 650517697375392. Its totient is φ = 88505809166400.

The previous prime is 272155363187167. The next prime is 272155363187173. The reversal of 272155363187172 is 271781363551272.

It is not an unprimeable number, because it can be changed into a prime (272155363187173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276580653154 + ... + 276580654137.

It is an arithmetic number, because the mean of its divisors is an integer number (27104904057308).

Almost surely, 2^{272155363187172} is an apocalyptic number.

It is an amenable number.

272155363187172 is an abundant number, since it is smaller than the sum of its proper divisors (378362334188220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272155363187172 is a wasteful number, since it uses less digits than its factorization.

272155363187172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553161307339 (or 553161307337 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 60.

The spelling of 272155363187172 in words is "two hundred seventy-two trillion, one hundred fifty-five billion, three hundred sixty-three million, one hundred eighty-seven thousand, one hundred seventy-two".