115551757672 has 128 divisors (see below), whose sum is σ = 266684140800. Its totient is φ = 46356000768.

The previous prime is 115551757669. The next prime is 115551757693. The reversal of 115551757672 is 276757155511.

It is a super-2 number, since 2×115551757672² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130263 + ... + 1228249.

It is an arithmetic number, because the mean of its divisors is an integer number (2083469850).

Almost surely, 2^115551757672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115551757672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133342070400).

115551757672 is an abundant number, since it is smaller than the sum of its proper divisors (151132383128).

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

115551757672 is a wasteful number, since it uses less digits than its factorization.

115551757672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98075 (or 98071 counting only the distinct ones).

The product of its digits is 2572500, while the sum is 52.

The spelling of 115551757672 in words is "one hundred fifteen billion, five hundred fifty-one million, seven hundred fifty-seven thousand, six hundred seventy-two".