115251423520455 has 24 divisors (see below), whose sum is σ = 199825265072160. Its totient is φ = 61450154809920.

The previous prime is 115251423520427. The next prime is 115251423520489. The reversal of 115251423520455 is 554025324152511.

115251423520455 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 5 + 142 + 3 + 52 + 0 + 455 = 666.

It is not a de Polignac number, because 115251423520455 - 2⁸ = 115251423520199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115251423520455.

It is a congruent number.

It is an unprimeable number.

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, 359651976 + ... + 359972285.

It is an arithmetic number, because the mean of its divisors is an integer number (8326052711340).

Almost surely, 2^{115251423520455} is an apocalyptic number.

115251423520455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115251423520455 is a deficient number, since it is larger than the sum of its proper divisors (84573841551705).

115251423520455 is a wasteful number, since it uses less digits than its factorization.

115251423520455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719627831 (or 719627828 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

Adding to 115251423520455 its reverse (554025324152511), we get a palindrome (669276747672966).

The spelling of 115251423520455 in words is "one hundred fifteen trillion, two hundred fifty-one billion, four hundred twenty-three million, five hundred twenty thousand, four hundred fifty-five".