112400264521 has 2 divisors, whose sum is σ = 112400264522. Its totient is φ = 112400264520.

The previous prime is 112400264513. The next prime is 112400264533. The reversal of 112400264521 is 125462004211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104720196025 + 7680068496 = 323605^2 + 87636^2 .

It is an emirp because it is prime and its reverse (125462004211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112400264521 - 2³ = 112400264513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112400264521.

It is not a weakly prime, because it can be changed into another prime (112400264551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56200132260 + 56200132261.

It is an arithmetic number, because the mean of its divisors is an integer number (56200132261).

Almost surely, 2^112400264521 is an apocalyptic number.

It is an amenable number.

112400264521 is a deficient number, since it is larger than the sum of its proper divisors (1).

112400264521 is an equidigital number, since it uses as much as digits as its factorization.

112400264521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 112400264521 its reverse (125462004211), we get a palindrome (237862268732).

The spelling of 112400264521 in words is "one hundred twelve billion, four hundred million, two hundred sixty-four thousand, five hundred twenty-one".