115641650 has 48 divisors (see below), whose sum is σ = 233964936. Its totient is φ = 42347520.

The previous prime is 115641649. The next prime is 115641653. The reversal of 115641650 is 56146511.

It can be written as a sum of positive squares in 12 ways, for example, as 57866449 + 57775201 = 7607^2 + 7601^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115641653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29612 + ... + 33288.

Almost surely, 2^115641650 is an apocalyptic number.

115641650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115641650 is an abundant number, since it is smaller than the sum of its proper divisors (118323286).

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

115641650 is a wasteful number, since it uses less digits than its factorization.

115641650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 115641650 is about 10753.6807652078. The cubic root of 115641650 is about 487.1971733132.

The spelling of 115641650 in words is "one hundred fifteen million, six hundred forty-one thousand, six hundred fifty".