1081691883875 has 32 divisors (see below), whose sum is σ = 1383166931328. Its totient is φ = 844070400000.

The previous prime is 1081691883791. The next prime is 1081691883913. The reversal of 1081691883875 is 5783881961801.

It is not a de Polignac number, because 1081691883875 - 2³⁸ = 806813976931 is a prime.

It is a Duffinian number.

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, 27865730 + ... + 27904520.

It is an arithmetic number, because the mean of its divisors is an integer number (43223966604).

Almost surely, 2^{1081691883875} is an apocalyptic number.

1081691883875 is a deficient number, since it is larger than the sum of its proper divisors (301475047453).

1081691883875 is an equidigital number, since it uses as much as digits as its factorization.

1081691883875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44288 (or 44278 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 65.

The spelling of 1081691883875 in words is "one trillion, eighty-one billion, six hundred ninety-one million, eight hundred eighty-three thousand, eight hundred seventy-five".