113978457311 has 4 divisors (see below), whose sum is σ = 113994744624. Its totient is φ = 113962170000.

The previous prime is 113978457283. The next prime is 113978457319. The reversal of 113978457311 is 113754879311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113754879311 = 607 ⋅187405073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113978457311 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 113978457311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113978457319) 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, 8133155 + ... + 8147156.

It is an arithmetic number, because the mean of its divisors is an integer number (28498686156).

Almost surely, 2^113978457311 is an apocalyptic number.

113978457311 is a deficient number, since it is larger than the sum of its proper divisors (16287313).

113978457311 is an equidigital number, since it uses as much as digits as its factorization.

113978457311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16287312.

The product of its digits is 635040, while the sum is 50.

The spelling of 113978457311 in words is "one hundred thirteen billion, nine hundred seventy-eight million, four hundred fifty-seven thousand, three hundred eleven".