113205317745 has 32 divisors (see below), whose sum is σ = 197808839424. Its totient is φ = 54946886400.

The previous prime is 113205317713. The next prime is 113205317777. The reversal of 113205317745 is 547713502311.

It is an interprime number because it is at equal distance from previous prime (113205317713) and next prime (113205317777).

It is not a de Polignac number, because 113205317745 - 2⁵ = 113205317713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4074466 + ... + 4102155.

It is an arithmetic number, because the mean of its divisors is an integer number (6181526232).

Almost surely, 2^113205317745 is an apocalyptic number.

113205317745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113205317745 is a deficient number, since it is larger than the sum of its proper divisors (84603521679).

113205317745 is a wasteful number, since it uses less digits than its factorization.

113205317745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176713.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 113205317745 in words is "one hundred thirteen billion, two hundred five million, three hundred seventeen thousand, seven hundred forty-five".