115535522145 has 64 divisors (see below), whose sum is σ = 207958855680. Its totient is φ = 54428249088.

The previous prime is 115535522143. The next prime is 115535522203. The reversal of 115535522145 is 541225535511.

It is not a de Polignac number, because 115535522145 - 2¹ = 115535522143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115535522143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406984 + ... + 629846.

It is an arithmetic number, because the mean of its divisors is an integer number (3249357120).

Almost surely, 2^115535522145 is an apocalyptic number.

115535522145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115535522145 is a deficient number, since it is larger than the sum of its proper divisors (92423333535).

115535522145 is a wasteful number, since it uses less digits than its factorization.

115535522145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223014.

The product of its digits is 150000, while the sum is 39.

The spelling of 115535522145 in words is "one hundred fifteen billion, five hundred thirty-five million, five hundred twenty-two thousand, one hundred forty-five".