115992011776 has 99 divisors (see below), whose sum is σ = 240798122409. Its totient is φ = 55843565568.

The previous prime is 115992011771. The next prime is 115992011791. The reversal of 115992011776 is 677110299511.

It is a happy number.

The square root of 115992011776 is 340576.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 60823397376 + 55168614400 = 246624^2 + 234880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115992011771) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 316054345 + ... + 316054711.

Almost surely, 2^115992011776 is an apocalyptic number.

115992011776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

115992011776 is the 340576-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115992011776

115992011776 is an abundant number, since it is smaller than the sum of its proper divisors (124806110633).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115992011776 is an frugal number, since it uses more digits than its factorization.

115992011776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 49.

Multiplying 115992011776 by its sum of digits (49), we get a square (5683608577024 = 2384032²).

The spelling of 115992011776 in words is "one hundred fifteen billion, nine hundred ninety-two million, eleven thousand, seven hundred seventy-six".