117521583452 has 48 divisors (see below), whose sum is σ = 255733007040. Its totient is φ = 46012741632.

The previous prime is 117521583437. The next prime is 117521583467. The reversal of 117521583452 is 254385125711.

It is an interprime number because it is at equal distance from previous prime (117521583437) and next prime (117521583467).

It is a super-2 number, since 2×117521583452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628927 + ... + 1699542.

It is an arithmetic number, because the mean of its divisors is an integer number (5327770980).

Almost surely, 2^117521583452 is an apocalyptic number.

It is an amenable number.

117521583452 is an abundant number, since it is smaller than the sum of its proper divisors (138211423588).

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

117521583452 is a wasteful number, since it uses less digits than its factorization.

117521583452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328590 (or 3328588 counting only the distinct ones).

The product of its digits is 336000, while the sum is 44.

The spelling of 117521583452 in words is "one hundred seventeen billion, five hundred twenty-one million, five hundred eighty-three thousand, four hundred fifty-two".