115453541205540 has 144 divisors (see below), whose sum is σ = 356218097599728. Its totient is φ = 30262224125952.

The previous prime is 115453541205539. The next prime is 115453541205571. The reversal of 115453541205540 is 45502145354511.

115453541205540 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 5 + 35 + 41 + 20 + 554 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 14491558741284 + 100961982464256 = 3806778^2 + 10047984^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11143869 + ... + 18843908.

It is an arithmetic number, because the mean of its divisors is an integer number (2473736788887).

Almost surely, 2^{115453541205540} is an apocalyptic number.

115453541205540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115453541205540 is an abundant number, since it is smaller than the sum of its proper divisors (240764556394188).

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

115453541205540 is a wasteful number, since it uses less digits than its factorization.

115453541205540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29988158 (or 29988153 counting only the distinct ones).

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

The spelling of 115453541205540 in words is "one hundred fifteen trillion, four hundred fifty-three billion, five hundred forty-one million, two hundred five thousand, five hundred forty".