115961544 has 48 divisors (see below), whose sum is σ = 325699920. Its totient is φ = 38653200.

The previous prime is 115961543. The next prime is 115961551. The reversal of 115961544 is 445169511.

115961544 is a `hidden beast` number, since 1 + 1 + 59 + 61 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 115961499 and 115961508.

It is not an unprimeable number, because it can be changed into a prime (115961543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27882 + ... + 31769.

It is an arithmetic number, because the mean of its divisors is an integer number (6785415).

Almost surely, 2^115961544 is an apocalyptic number.

It is an amenable number.

115961544 is an abundant number, since it is smaller than the sum of its proper divisors (209738376).

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

115961544 is an equidigital number, since it uses as much as digits as its factorization.

115961544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59672 (or 59656 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 115961544 is about 10768.5441913009. The cubic root of 115961544 is about 487.6459965093.

The spelling of 115961544 in words is "one hundred fifteen million, nine hundred sixty-one thousand, five hundred forty-four".