113431650415551 has 80 divisors (see below), whose sum is σ = 182746226567520. Its totient is φ = 69702936791040.

The previous prime is 113431650415541. The next prime is 113431650415561. The reversal of 113431650415551 is 155514056134311.

113431650415551 is a `hidden beast` number, since 1 + 1 + 3 + 4 + 3 + 1 + 6 + 50 + 41 + 5 + 551 = 666.

It is an interprime number because it is at equal distance from previous prime (113431650415541) and next prime (113431650415561).

It is not a de Polignac number, because 113431650415551 - 2¹⁰ = 113431650414527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113431650415497 and 113431650415506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431650415511) 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 79 ways as a sum of consecutive naturals, for example, 5045656231 + ... + 5045678711.

It is an arithmetic number, because the mean of its divisors is an integer number (2284327832094).

Almost surely, 2^{113431650415551} is an apocalyptic number.

113431650415551 is a deficient number, since it is larger than the sum of its proper divisors (69314576151969).

113431650415551 is a wasteful number, since it uses less digits than its factorization.

113431650415551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29238 (or 29229 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 113431650415551 in words is "one hundred thirteen trillion, four hundred thirty-one billion, six hundred fifty million, four hundred fifteen thousand, five hundred fifty-one".