115970781544 has 32 divisors (see below), whose sum is σ = 218188362240. Its totient is φ = 57787488000.

The previous prime is 115970781497. The next prime is 115970781551. The reversal of 115970781544 is 445187079511.

It is a junction number, because it is equal to n+sod(n) for n = 115970781491 and 115970781500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586489 + ... + 3618679.

It is an arithmetic number, because the mean of its divisors is an integer number (6818386320).

Almost surely, 2^115970781544 is an apocalyptic number.

It is an amenable number.

115970781544 is a deficient number, since it is larger than the sum of its proper divisors (102217580696).

115970781544 is a wasteful number, since it uses less digits than its factorization.

115970781544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33721 (or 33717 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 52.

The spelling of 115970781544 in words is "one hundred fifteen billion, nine hundred seventy million, seven hundred eighty-one thousand, five hundred forty-four".