115555792 has 40 divisors (see below), whose sum is σ = 249939360. Its totient is φ = 51300480.

The previous prime is 115555763. The next prime is 115555793. The reversal of 115555792 is 297555511.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115555793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 15202.

It is an arithmetic number, because the mean of its divisors is an integer number (6248484).

Almost surely, 2^115555792 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 115555792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124969680).

115555792 is an abundant number, since it is smaller than the sum of its proper divisors (134383568).

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

115555792 is a wasteful number, since it uses less digits than its factorization.

115555792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15331 (or 15325 counting only the distinct ones).

The product of its digits is 78750, while the sum is 40.

The square root of 115555792 is about 10749.6879954722. The cubic root of 115555792 is about 487.0765704816.

The spelling of 115555792 in words is "one hundred fifteen million, five hundred fifty-five thousand, seven hundred ninety-two".