12331655481 has 16 divisors (see below), whose sum is σ = 17335596800. Its totient is φ = 7775809488.

The previous prime is 12331655417. The next prime is 12331655491. The reversal of 12331655481 is 18455613321.

It is not a de Polignac number, because 12331655481 - 2⁶ = 12331655417 is a prime.

It is a super-2 number, since 2×12331655481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331655411) 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, 139471 + ... + 210036.

It is an arithmetic number, because the mean of its divisors is an integer number (1083474800).

Almost surely, 2^12331655481 is an apocalyptic number.

It is an amenable number.

12331655481 is a deficient number, since it is larger than the sum of its proper divisors (5003941319).

12331655481 is a wasteful number, since it uses less digits than its factorization.

12331655481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350148.

The product of its digits is 86400, while the sum is 39.

The spelling of 12331655481 in words is "twelve billion, three hundred thirty-one million, six hundred fifty-five thousand, four hundred eighty-one".