1183022113491 has 16 divisors (see below), whose sum is σ = 1809161656320. Its totient is φ = 763240072680.

The previous prime is 1183022113457. The next prime is 1183022113561. The reversal of 1183022113491 is 1943112203811.

It is a happy number.

1183022113491 is a `hidden beast` number, since 1 + 1 + 8 + 30 + 22 + 113 + 491 = 666.

It is not a de Polignac number, because 1183022113491 - 2⁷ = 1183022113363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1183022813491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706702935 + ... + 706704608.

It is an arithmetic number, because the mean of its divisors is an integer number (113072603520).

Almost surely, 2^{1183022113491} is an apocalyptic number.

1183022113491 is a deficient number, since it is larger than the sum of its proper divisors (626139542829).

1183022113491 is a wasteful number, since it uses less digits than its factorization.

1183022113491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413407583 (or 1413407577 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 1183022113491 in words is "one trillion, one hundred eighty-three billion, twenty-two million, one hundred thirteen thousand, four hundred ninety-one".