113123020455 has 24 divisors (see below), whose sum is σ = 196153193808. Its totient is φ = 60309726336.

The previous prime is 113123020453. The next prime is 113123020499. The reversal of 113123020455 is 554020321311.

113123020455 is a `hidden beast` number, since 1 + 1 + 312 + 302 + 0 + 45 + 5 = 666.

It is not a de Polignac number, because 113123020455 - 2¹ = 113123020453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113123020453) 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 23 ways as a sum of consecutive naturals, for example, 347742 + ... + 589211.

It is an arithmetic number, because the mean of its divisors is an integer number (8173049742).

Almost surely, 2^113123020455 is an apocalyptic number.

113123020455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113123020455 is a deficient number, since it is larger than the sum of its proper divisors (83030173353).

113123020455 is a wasteful number, since it uses less digits than its factorization.

113123020455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939647 (or 939644 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 113123020455 its reverse (554020321311), we get a palindrome (667143341766).

The spelling of 113123020455 in words is "one hundred thirteen billion, one hundred twenty-three million, twenty thousand, four hundred fifty-five".