113557913457 has 4 divisors (see below), whose sum is σ = 151410551280. Its totient is φ = 75705275636.

The previous prime is 113557913309. The next prime is 113557913503. The reversal of 113557913457 is 754319755311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754319755311 = 3 ⋅251439918437.

It is a cyclic number.

It is not a de Polignac number, because 113557913457 - 2¹⁸ = 113557651313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113557993457) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18926318907 + ... + 18926318912.

It is an arithmetic number, because the mean of its divisors is an integer number (37852637820).

Almost surely, 2^113557913457 is an apocalyptic number.

It is an amenable number.

113557913457 is a deficient number, since it is larger than the sum of its proper divisors (37852637823).

113557913457 is an equidigital number, since it uses as much as digits as its factorization.

113557913457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37852637822.

The product of its digits is 1984500, while the sum is 51.

The spelling of 113557913457 in words is "one hundred thirteen billion, five hundred fifty-seven million, nine hundred thirteen thousand, four hundred fifty-seven".