1081118137473 has 32 divisors (see below), whose sum is σ = 1765274689920. Its totient is φ = 648468218880.

The previous prime is 1081118137459. The next prime is 1081118137483. The reversal of 1081118137473 is 3747318111801.

1081118137473 is a `hidden beast` number, since 10 + 81 + 11 + 81 + 3 + 7 + 473 = 666.

It is not a de Polignac number, because 1081118137473 - 2⁵ = 1081118137441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081118137423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18734740 + ... + 18792357.

It is an arithmetic number, because the mean of its divisors is an integer number (55164834060).

Almost surely, 2^{1081118137473} is an apocalyptic number.

It is an amenable number.

1081118137473 is a deficient number, since it is larger than the sum of its proper divisors (684156552447).

1081118137473 is a wasteful number, since it uses less digits than its factorization.

1081118137473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37527214 (or 37527208 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 1081118137473 in words is "one trillion, eighty-one billion, one hundred eighteen million, one hundred thirty-seven thousand, four hundred seventy-three".