1131323029975 has 48 divisors (see below), whose sum is σ = 1476243800064. Its totient is φ = 858398112000.

The previous prime is 1131323029943. The next prime is 1131323029981. The reversal of 1131323029975 is 5799203231311.

It is not a de Polignac number, because 1131323029975 - 2⁵ = 1131323029943 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 34358770 + ... + 34391680.

It is an arithmetic number, because the mean of its divisors is an integer number (30755079168).

Almost surely, 2^{1131323029975} is an apocalyptic number.

1131323029975 is a deficient number, since it is larger than the sum of its proper divisors (344920770089).

1131323029975 is a wasteful number, since it uses less digits than its factorization.

1131323029975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33448 (or 33443 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 1131323029975 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-three million, twenty-nine thousand, nine hundred seventy-five".