115130401438 has 32 divisors (see below), whose sum is σ = 187977194496. Its totient is φ = 52568828928.

The previous prime is 115130401429. The next prime is 115130401453. The reversal of 115130401438 is 834104031511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116220 + ... + 1214992.

It is an arithmetic number, because the mean of its divisors is an integer number (5874287328).

Almost surely, 2^115130401438 is an apocalyptic number.

115130401438 is a deficient number, since it is larger than the sum of its proper divisors (72846793058).

115130401438 is a wasteful number, since it uses less digits than its factorization.

115130401438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99268.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 115130401438 its reverse (834104031511), we get a palindrome (949234432949).

The spelling of 115130401438 in words is "one hundred fifteen billion, one hundred thirty million, four hundred one thousand, four hundred thirty-eight".