113865347772861 has 8 divisors (see below), whose sum is σ = 151916370503040. Its totient is φ = 75862278445632.

The previous prime is 113865347772823. The next prime is 113865347772871. The reversal of 113865347772861 is 168277743568311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113865347772861 - 2³³ = 113856757838269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113865347772821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11988345196 + ... + 11988354693.

It is an arithmetic number, because the mean of its divisors is an integer number (18989546312880).

Almost surely, 2^{113865347772861} is an apocalyptic number.

It is an amenable number.

113865347772861 is a deficient number, since it is larger than the sum of its proper divisors (38051022730179).

113865347772861 is a wasteful number, since it uses less digits than its factorization.

113865347772861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23976701475.

The product of its digits is 284497920, while the sum is 69.

The spelling of 113865347772861 in words is "one hundred thirteen trillion, eight hundred sixty-five billion, three hundred forty-seven million, seven hundred seventy-two thousand, eight hundred sixty-one".