113756400237477 has 4 divisors (see below), whose sum is σ = 151675200316640. Its totient is φ = 75837600158316.

The previous prime is 113756400237451. The next prime is 113756400237479. The reversal of 113756400237477 is 774732004657311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113756400237477 - 2⁶ = 113756400237413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113756400237479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18959400039577 + ... + 18959400039582.

It is an arithmetic number, because the mean of its divisors is an integer number (37918800079160).

Almost surely, 2^{113756400237477} is an apocalyptic number.

It is an amenable number.

113756400237477 is a deficient number, since it is larger than the sum of its proper divisors (37918800079163).

113756400237477 is an equidigital number, since it uses as much as digits as its factorization.

113756400237477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37918800079162.

The product of its (nonzero) digits is 20744640, while the sum is 57.

The spelling of 113756400237477 in words is "one hundred thirteen trillion, seven hundred fifty-six billion, four hundred million, two hundred thirty-seven thousand, four hundred seventy-seven".