113685777851 has 2 divisors, whose sum is σ = 113685777852. Its totient is φ = 113685777850.

The previous prime is 113685777823. The next prime is 113685777853. The reversal of 113685777851 is 158777586311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113685777851 - 2³⁰ = 112612036027 is a prime.

Together with 113685777853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113685777853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56842888925 + 56842888926.

It is an arithmetic number, because the mean of its divisors is an integer number (56842888926).

Almost surely, 2^113685777851 is an apocalyptic number.

113685777851 is a deficient number, since it is larger than the sum of its proper divisors (1).

113685777851 is an equidigital number, since it uses as much as digits as its factorization.

113685777851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9878400, while the sum is 59.

The spelling of 113685777851 in words is "one hundred thirteen billion, six hundred eighty-five million, seven hundred seventy-seven thousand, eight hundred fifty-one".