115644435512 has 16 divisors (see below), whose sum is σ = 216844179840. Its totient is φ = 57819320896.

The previous prime is 115644435497. The next prime is 115644435593. The reversal of 115644435512 is 215534446511.

It is a self number, because there is not a number n which added to its sum of digits gives 115644435512.

It is a congruent number.

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, 187493 + ... + 516180.

It is an arithmetic number, because the mean of its divisors is an integer number (13552761240).

Almost surely, 2^115644435512 is an apocalyptic number.

It is an amenable number.

115644435512 is a deficient number, since it is larger than the sum of its proper divisors (101199744328).

115644435512 is a wasteful number, since it uses less digits than its factorization.

115644435512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724222 (or 724218 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The spelling of 115644435512 in words is "one hundred fifteen billion, six hundred forty-four million, four hundred thirty-five thousand, five hundred twelve".