115206722121650 has 24 divisors (see below), whose sum is σ = 214309423646400. Its totient is φ = 46077329601360.

The previous prime is 115206722121641. The next prime is 115206722121773. The reversal of 115206722121650 is 56121227602511.

It is a junction number, because it is equal to n+sod(n) for n = 115206722121598 and 115206722121607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133546934 + ... + 134406833.

It is an arithmetic number, because the mean of its divisors is an integer number (8929559318600).

Almost surely, 2^{115206722121650} is an apocalyptic number.

115206722121650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115206722121650 is a deficient number, since it is larger than the sum of its proper divisors (99102701524750).

115206722121650 is a wasteful number, since it uses less digits than its factorization.

115206722121650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267962378 (or 267962373 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 115206722121650 in words is "one hundred fifteen trillion, two hundred six billion, seven hundred twenty-two million, one hundred twenty-one thousand, six hundred fifty".