27151012775 has 24 divisors (see below), whose sum is σ = 33938400720. Its totient is φ = 21546120960.

The previous prime is 27151012771. The next prime is 27151012789. The reversal of 27151012775 is 57721015172.

It is a happy number.

It is not a de Polignac number, because 27151012775 - 2² = 27151012771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27151012771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6947372 + ... + 6951278.

It is an arithmetic number, because the mean of its divisors is an integer number (1414100030).

Almost surely, 2^27151012775 is an apocalyptic number.

27151012775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27151012775 is a deficient number, since it is larger than the sum of its proper divisors (6787387945).

27151012775 is a wasteful number, since it uses less digits than its factorization.

27151012775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083 (or 6078 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 38.

The spelling of 27151012775 in words is "twenty-seven billion, one hundred fifty-one million, twelve thousand, seven hundred seventy-five".