115521743672 has 16 divisors (see below), whose sum is σ = 217299747600. Its totient is φ = 57575144320.

The previous prime is 115521743663. The next prime is 115521743719. The reversal of 115521743672 is 276347125511.

It is a super-2 number, since 2×115521743672² (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 3 ways as a sum of consecutive naturals, for example, 23213297 + ... + 23218272.

It is an arithmetic number, because the mean of its divisors is an integer number (13581234225).

Almost surely, 2^115521743672 is an apocalyptic number.

It is an amenable number.

115521743672 is a deficient number, since it is larger than the sum of its proper divisors (101778003928).

115521743672 is a wasteful number, since it uses less digits than its factorization.

115521743672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46431886 (or 46431882 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The spelling of 115521743672 in words is "one hundred fifteen billion, five hundred twenty-one million, seven hundred forty-three thousand, six hundred seventy-two".