115749272387 has 16 divisors (see below), whose sum is σ = 132717511680. Its totient is φ = 98889372288.

The previous prime is 115749272371. The next prime is 115749272497. The reversal of 115749272387 is 783272947511.

It is not a de Polignac number, because 115749272387 - 2⁴ = 115749272371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115749272347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11759414 + ... + 11769252.

It is an arithmetic number, because the mean of its divisors is an integer number (8294844480).

Almost surely, 2^115749272387 is an apocalyptic number.

115749272387 is a deficient number, since it is larger than the sum of its proper divisors (16968239293).

115749272387 is an equidigital number, since it uses as much as digits as its factorization.

115749272387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170.

The product of its digits is 5927040, while the sum is 56.

The spelling of 115749272387 in words is "one hundred fifteen billion, seven hundred forty-nine million, two hundred seventy-two thousand, three hundred eighty-seven".