115640832130 has 16 divisors (see below), whose sum is σ = 220397821560. Its totient is φ = 43535372032.

The previous prime is 115640832127. The next prime is 115640832133. The reversal of 115640832130 is 31238046511.

It is an interprime number because it is at equal distance from previous prime (115640832127) and next prime (115640832133).

It can be written as a sum of positive squares in 4 ways, for example, as 114756305049 + 884527081 = 338757^2 + 29741^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (115640832133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 340119925 + ... + 340120264.

Almost surely, 2^115640832130 is an apocalyptic number.

115640832130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115640832130 is a deficient number, since it is larger than the sum of its proper divisors (104756989430).

115640832130 is a wasteful number, since it uses less digits than its factorization.

115640832130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680240213.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 115640832130 its reverse (31238046511), we get a palindrome (146878878641).

The spelling of 115640832130 in words is "one hundred fifteen billion, six hundred forty million, eight hundred thirty-two thousand, one hundred thirty".