115255543100 has 36 divisors (see below), whose sum is σ = 250206772200. Its totient is φ = 46083370560.

The previous prime is 115255543019. The next prime is 115255543121. The reversal of 115255543100 is 1345552511.

It is a super-2 number, since 2×115255543100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11546 + ... + 480254.

Almost surely, 2^115255543100 is an apocalyptic number.

115255543100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115255543100 is an abundant number, since it is smaller than the sum of its proper divisors (134951229100).

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

115255543100 is a wasteful number, since it uses less digits than its factorization.

115255543100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471182 (or 471175 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 115255543100 in words is "one hundred fifteen billion, two hundred fifty-five million, five hundred forty-three thousand, one hundred".