115729236100 has 27 divisors (see below), whose sum is σ = 251139824677. Its totient is φ = 46290333680.

The previous prime is 115729236061. The next prime is 115729236101. The reversal of 115729236100 is 1632927511.

The square root of 115729236100 is 340190.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41662524996 + 74066711104 = 204114^2 + 272152^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115729236100.

It is not an unprimeable number, because it can be changed into a prime (115729236101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3384891 + ... + 3418909.

Almost surely, 2^115729236100 is an apocalyptic number.

115729236100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115729236100 is the 340190-th square number.

It is an amenable number.

115729236100 is an abundant number, since it is smaller than the sum of its proper divisors (135410588577).

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

115729236100 is an frugal number, since it uses more digits than its factorization.

115729236100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68052 (or 34026 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 115729236100 in words is "one hundred fifteen billion, seven hundred twenty-nine million, two hundred thirty-six thousand, one hundred".