115405140224520 has 128 divisors (see below), whose sum is σ = 384754495305600. Its totient is φ = 30769048495872.

The previous prime is 115405140224513. The next prime is 115405140224531. The reversal of 115405140224520 is 25422041504511.

115405140224520 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 0 + 5 + 1 + 402 + 245 + 2 + 0 = 666.

It is a super-2 number, since 2×115405140224520² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3937527 + ... + 15694406.

It is an arithmetic number, because the mean of its divisors is an integer number (3005894494575).

Almost surely, 2^{115405140224520} is an apocalyptic number.

115405140224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115405140224520 is an abundant number, since it is smaller than the sum of its proper divisors (269349355081080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115405140224520 is a wasteful number, since it uses less digits than its factorization.

115405140224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19637396 (or 19637386 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 115405140224520 in words is "one hundred fifteen trillion, four hundred five billion, one hundred forty million, two hundred twenty-four thousand, five hundred twenty".