12295311056 has 40 divisors (see below), whose sum is σ = 27489681024. Its totient is φ = 5218254720.

The previous prime is 12295311001. The next prime is 12295311073. The reversal of 12295311056 is 65011359221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 521375 + ... + 544446.

Almost surely, 2^12295311056 is an apocalyptic number.

12295311056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12295311056 is an abundant number, since it is smaller than the sum of its proper divisors (15194369968).

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

12295311056 is a wasteful number, since it uses less digits than its factorization.

12295311056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065939 (or 1065933 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 12295311056 in words is "twelve billion, two hundred ninety-five million, three hundred eleven thousand, fifty-six".