132561117028 has 6 divisors (see below), whose sum is σ = 231981954806. Its totient is φ = 66280558512.

The previous prime is 132561117001. The next prime is 132561117037. The reversal of 132561117028 is 820711165231.

It can be written as a sum of positive squares in only one way, i.e., 119745065764 + 12816051264 = 346042^2 + 113208^2 .

It is a super-2 number, since 2×132561117028² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16570139625 + ... + 16570139632.

Almost surely, 2^132561117028 is an apocalyptic number.

It is an amenable number.

132561117028 is a deficient number, since it is larger than the sum of its proper divisors (99420837778).

132561117028 is a wasteful number, since it uses less digits than its factorization.

132561117028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33140279261 (or 33140279259 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 132561117028 in words is "one hundred thirty-two billion, five hundred sixty-one million, one hundred seventeen thousand, twenty-eight".