115155512340720 has 80 divisors (see below), whose sum is σ = 362310179176320. Its totient is φ = 30249806222592.

The previous prime is 115155512340647. The next prime is 115155512340721. The reversal of 115155512340720 is 27043215551511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115155512340721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3580690150 + ... + 3580722309.

It is an arithmetic number, because the mean of its divisors is an integer number (4528877239704).

Almost surely, 2^{115155512340720} is an apocalyptic number.

115155512340720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115155512340720 is an abundant number, since it is smaller than the sum of its proper divisors (247154666835600).

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

115155512340720 is a wasteful number, since it uses less digits than its factorization.

115155512340720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161412542 (or 7161412536 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 115155512340720 in words is "one hundred fifteen trillion, one hundred fifty-five billion, five hundred twelve million, three hundred forty thousand, seven hundred twenty".