113578911247 has 16 divisors (see below), whose sum is σ = 117331441920. Its totient is φ = 109881620352.

The previous prime is 113578911241. The next prime is 113578911353. The reversal of 113578911247 is 742119875311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113578911247 - 2³¹ = 111431427599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113578911247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113578911241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004279 + ... + 2060167.

It is an arithmetic number, because the mean of its divisors is an integer number (7333215120).

Almost surely, 2^113578911247 is an apocalyptic number.

113578911247 is a deficient number, since it is larger than the sum of its proper divisors (3752530673).

113578911247 is a wasteful number, since it uses less digits than its factorization.

113578911247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56382.

The product of its digits is 423360, while the sum is 49.

The spelling of 113578911247 in words is "one hundred thirteen billion, five hundred seventy-eight million, nine hundred eleven thousand, two hundred forty-seven".