115532171616 has 48 divisors (see below), whose sum is σ = 303322961088. Its totient is φ = 38504246400.

The previous prime is 115532171611. The next prime is 115532171639. The reversal of 115532171616 is 616171235511.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115532171611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490431 + ... + 686721.

It is an arithmetic number, because the mean of its divisors is an integer number (6319228356).

Almost surely, 2^115532171616 is an apocalyptic number.

115532171616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115532171616 is an abundant number, since it is smaller than the sum of its proper divisors (187790789472).

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

115532171616 is a wasteful number, since it uses less digits than its factorization.

115532171616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202435 (or 202427 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The spelling of 115532171616 in words is "one hundred fifteen billion, five hundred thirty-two million, one hundred seventy-one thousand, six hundred sixteen".