27157134752 has 24 divisors (see below), whose sum is σ = 58326119712. Its totient is φ = 12344152000.

The previous prime is 27157134751. The next prime is 27157134761. The reversal of 27157134752 is 25743175172.

It is a super-2 number, since 2×27157134752² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (27157134751) 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 3 ways as a sum of consecutive naturals, for example, 38575124 + ... + 38575827.

It is an arithmetic number, because the mean of its divisors is an integer number (2430254988).

Almost surely, 2^27157134752 is an apocalyptic number.

27157134752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27157134752 is an abundant number, since it is smaller than the sum of its proper divisors (31168984960).

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

27157134752 is a wasteful number, since it uses less digits than its factorization.

27157134752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77150972 (or 77150964 counting only the distinct ones).

The product of its digits is 411600, while the sum is 44.

The spelling of 27157134752 in words is "twenty-seven billion, one hundred fifty-seven million, one hundred thirty-four thousand, seven hundred fifty-two".