115443231515464 has 16 divisors (see below), whose sum is σ = 218479012916400. Its totient is φ = 57182161404432.

The previous prime is 115443231515399. The next prime is 115443231515503. The reversal of 115443231515464 is 464515132344511.

It is a super-2 number, since 2×115443231515464² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67431793254 + ... + 67431794965.

It is an arithmetic number, because the mean of its divisors is an integer number (13654938307275).

Almost surely, 2^{115443231515464} is an apocalyptic number.

It is an amenable number.

115443231515464 is a deficient number, since it is larger than the sum of its proper divisors (103035781400936).

115443231515464 is a wasteful number, since it uses less digits than its factorization.

115443231515464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134863588332 (or 134863588328 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

Adding to 115443231515464 its reverse (464515132344511), we get a palindrome (579958363859975).

The spelling of 115443231515464 in words is "one hundred fifteen trillion, four hundred forty-three billion, two hundred thirty-one million, five hundred fifteen thousand, four hundred sixty-four".