113844078381 has 64 divisors (see below), whose sum is σ = 184673433600. Its totient is φ = 61482240000.

The previous prime is 113844078377. The next prime is 113844078391. The reversal of 113844078381 is 183870448311.

It is not a de Polignac number, because 113844078381 - 2² = 113844078377 is a prime.

It is a super-2 number, since 2×113844078381² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113844078381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113844078331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31985880 + ... + 31989438.

It is an arithmetic number, because the mean of its divisors is an integer number (2885522400).

Almost surely, 2^113844078381 is an apocalyptic number.

113844078381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113844078381 is a deficient number, since it is larger than the sum of its proper divisors (70829355219).

113844078381 is a wasteful number, since it uses less digits than its factorization.

113844078381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 113844078381 in words is "one hundred thirteen billion, eight hundred forty-four million, seventy-eight thousand, three hundred eighty-one".