11331615664424 has 32 divisors (see below), whose sum is σ = 23743629282240. Its totient is φ = 5025106723200.

The previous prime is 11331615664403. The next prime is 11331615664429. The reversal of 11331615664424 is 42446651613311.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11331615664429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570342244 + ... + 1570349459.

It is an arithmetic number, because the mean of its divisors is an integer number (741988415070).

Almost surely, 2^{11331615664424} is an apocalyptic number.

It is an amenable number.

11331615664424 is an abundant number, since it is smaller than the sum of its proper divisors (12412013617816).

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

11331615664424 is a wasteful number, since it uses less digits than its factorization.

11331615664424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140691761 (or 3140691757 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The spelling of 11331615664424 in words is "eleven trillion, three hundred thirty-one billion, six hundred fifteen million, six hundred sixty-four thousand, four hundred twenty-four".