113591481457 has 4 divisors (see below), whose sum is σ = 116008321536. Its totient is φ = 111174641380.

The previous prime is 113591481401. The next prime is 113591481463. The reversal of 113591481457 is 754184195311.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113591481457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113591481457.

It is not an unprimeable number, because it can be changed into a prime (113591481257) 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, 1208419969 + ... + 1208420062.

It is an arithmetic number, because the mean of its divisors is an integer number (29002080384).

Almost surely, 2^113591481457 is an apocalyptic number.

It is an amenable number.

113591481457 is a deficient number, since it is larger than the sum of its proper divisors (2416840079).

113591481457 is an equidigital number, since it uses as much as digits as its factorization.

113591481457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416840078.

The product of its digits is 604800, while the sum is 49.

The spelling of 113591481457 in words is "one hundred thirteen billion, five hundred ninety-one million, four hundred eighty-one thousand, four hundred fifty-seven".