115871142160 has 80 divisors (see below), whose sum is σ = 273372860160. Its totient is φ = 45666339840.

The previous prime is 115871142137. The next prime is 115871142169. The reversal of 115871142160 is 61241178511.

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

It is a super-2 number, since 2×115871142160² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115871142169) 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, 5941225 + ... + 5960695.

It is an arithmetic number, because the mean of its divisors is an integer number (3417160752).

Almost surely, 2^115871142160 is an apocalyptic number.

115871142160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115871142160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136686430080).

115871142160 is an abundant number, since it is smaller than the sum of its proper divisors (157501718000).

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

115871142160 is a wasteful number, since it uses less digits than its factorization.

115871142160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20576 (or 20570 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

The spelling of 115871142160 in words is "one hundred fifteen billion, eight hundred seventy-one million, one hundred forty-two thousand, one hundred sixty".