117572161532 has 36 divisors (see below), whose sum is σ = 247064094144. Its totient is φ = 48762645120.

The previous prime is 117572161523. The next prime is 117572161541. The reversal of 117572161532 is 235161275711.

It is an interprime number because it is at equal distance from previous prime (117572161523) and next prime (117572161541).

It is a self number, because there is not a number n which added to its sum of digits gives 117572161532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9669053 + ... + 9681204.

It is an arithmetic number, because the mean of its divisors is an integer number (6862891504).

Almost surely, 2^117572161532 is an apocalyptic number.

It is an amenable number.

117572161532 is an abundant number, since it is smaller than the sum of its proper divisors (129491932612).

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

117572161532 is a wasteful number, since it uses less digits than its factorization.

117572161532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19350306 (or 19350297 counting only the distinct ones).

The product of its digits is 88200, while the sum is 41.

The spelling of 117572161532 in words is "one hundred seventeen billion, five hundred seventy-two million, one hundred sixty-one thousand, five hundred thirty-two".