275631501145 has 32 divisors (see below), whose sum is σ = 444094398720. Its totient is φ = 158605136640.

The previous prime is 275631501127. The next prime is 275631501179. The reversal of 275631501145 is 541105136572.

It is a happy number.

It is not a de Polignac number, because 275631501145 - 2⁹ = 275631500633 is a prime.

It is a super-2 number, since 2×275631501145² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 275631501098 and 275631501107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27530610 + ... + 27540619.

It is an arithmetic number, because the mean of its divisors is an integer number (13877949960).

Almost surely, 2^275631501145 is an apocalyptic number.

It is an amenable number.

275631501145 is a deficient number, since it is larger than the sum of its proper divisors (168462897575).

275631501145 is a wasteful number, since it uses less digits than its factorization.

275631501145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55071265.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 275631501145 in words is "two hundred seventy-five billion, six hundred thirty-one million, five hundred one thousand, one hundred forty-five".