11808931498 has 24 divisors (see below), whose sum is σ = 22190412132. Its totient is φ = 4671664704.

The previous prime is 11808931487. The next prime is 11808931499. The reversal of 11808931498 is 89413980811.

It can be written as a sum of positive squares in 2 ways, for example, as 8358896329 + 3450035169 = 91427^2 + 58737^2 .

It is not an unprimeable number, because it can be changed into a prime (11808931499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4633315 + ... + 4635862.

Almost surely, 2^11808931498 is an apocalyptic number.

11808931498 is a deficient number, since it is larger than the sum of its proper divisors (10381480634).

11808931498 is a wasteful number, since it uses less digits than its factorization.

11808931498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269206 (or 9269199 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 52.

The spelling of 11808931498 in words is "eleven billion, eight hundred eight million, nine hundred thirty-one thousand, four hundred ninety-eight".