115135446488 has 16 divisors (see below), whose sum is σ = 221713529280. Its totient is φ = 56011838688.

The previous prime is 115135446467. The next prime is 115135446499. The reversal of 115135446488 is 884644531511.

It is a super-2 number, since 2×115135446488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194485256 + ... + 194485847.

It is an arithmetic number, because the mean of its divisors is an integer number (13857095580).

Almost surely, 2^115135446488 is an apocalyptic number.

It is an amenable number.

115135446488 is a deficient number, since it is larger than the sum of its proper divisors (106578082792).

115135446488 is a wasteful number, since it uses less digits than its factorization.

115135446488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388971146 (or 388971142 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

Adding to 115135446488 its reverse (884644531511), we get a palindrome (999779977999).

The spelling of 115135446488 in words is "one hundred fifteen billion, one hundred thirty-five million, four hundred forty-six thousand, four hundred eighty-eight".