115555743100 has 72 divisors (see below), whose sum is σ = 288501847200. Its totient is φ = 39353176320.

The previous prime is 115555743077. The next prime is 115555743133. The reversal of 115555743100 is 1347555511.

It is a super-2 number, since 2×115555743100² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115555743100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449659 + ... + 658258.

It is an arithmetic number, because the mean of its divisors is an integer number (4006970100).

Almost surely, 2^115555743100 is an apocalyptic number.

115555743100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115555743100 is an abundant number, since it is smaller than the sum of its proper divisors (172946104100).

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

115555743100 is a wasteful number, since it uses less digits than its factorization.

115555743100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108087 (or 1108080 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 115555743100 in words is "one hundred fifteen billion, five hundred fifty-five million, seven hundred forty-three thousand, one hundred".