113768518771 has 4 divisors (see below), whose sum is σ = 113769306544. Its totient is φ = 113767731000.

The previous prime is 113768518757. The next prime is 113768518777. The reversal of 113768518771 is 177815867311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113768518771 - 2¹¹ = 113768516723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113768518777) 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, 108180 + ... + 489121.

It is an arithmetic number, because the mean of its divisors is an integer number (28442326636).

Almost surely, 2^113768518771 is an apocalyptic number.

113768518771 is a deficient number, since it is larger than the sum of its proper divisors (787773).

113768518771 is an equidigital number, since it uses as much as digits as its factorization.

113768518771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787772.

The product of its digits is 1975680, while the sum is 55.

The spelling of 113768518771 in words is "one hundred thirteen billion, seven hundred sixty-eight million, five hundred eighteen thousand, seven hundred seventy-one".