11659291698432 has 144 divisors (see below), whose sum is σ = 35795116933632. Its totient is φ = 3300093081600.

The previous prime is 11659291698421. The next prime is 11659291698469. The reversal of 11659291698432 is 23489619295611.

It is a happy number.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9559194 + ... + 10709657.

It is an arithmetic number, because the mean of its divisors is an integer number (248577200928).

Almost surely, 2^{11659291698432} is an apocalyptic number.

11659291698432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11659291698432 is an abundant number, since it is smaller than the sum of its proper divisors (24135825235200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11659291698432 is a wasteful number, since it uses less digits than its factorization.

11659291698432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20268984 (or 20268970 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 66.

The spelling of 11659291698432 in words is "eleven trillion, six hundred fifty-nine billion, two hundred ninety-one million, six hundred ninety-eight thousand, four hundred thirty-two".