111253656464 has 20 divisors (see below), whose sum is σ = 217776168204. Its totient is φ = 55053355008.

The previous prime is 111253656433. The next prime is 111253656469. The reversal of 111253656464 is 464656352111.

It can be written as a sum of positive squares in 2 ways, for example, as 80485690000 + 30767966464 = 283700^2 + 175408^2 .

It is not an unprimeable number, because it can be changed into a prime (111253656469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35840477 + ... + 35843580.

Almost surely, 2^111253656464 is an apocalyptic number.

It is an amenable number.

111253656464 is a deficient number, since it is larger than the sum of its proper divisors (106522511740).

111253656464 is an equidigital number, since it uses as much as digits as its factorization.

111253656464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71684162 (or 71684156 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 111253656464 in words is "one hundred eleven billion, two hundred fifty-three million, six hundred fifty-six thousand, four hundred sixty-four".