11598394031 has 12 divisors (see below), whose sum is σ = 13497002640. Its totient is φ = 9937801440.

The previous prime is 11598393967. The next prime is 11598394051. The reversal of 11598394031 is 13049389511.

It is not a de Polignac number, because 11598394031 - 2⁶ = 11598393967 is a prime.

It is a super-2 number, since 2×11598394031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11598394051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94355 + ... + 179163.

It is an arithmetic number, because the mean of its divisors is an integer number (1124750220).

Almost surely, 2^11598394031 is an apocalyptic number.

11598394031 is a deficient number, since it is larger than the sum of its proper divisors (1898608609).

11598394031 is an equidigital number, since it uses as much as digits as its factorization.

11598394031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87614 (or 87607 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 11598394031 in words is "eleven billion, five hundred ninety-eight million, three hundred ninety-four thousand, thirty-one".