115661550270 has 32 divisors (see below), whose sum is σ = 317243109888. Its totient is φ = 26436925728.

The previous prime is 115661550229. The next prime is 115661550283. The reversal of 115661550270 is 72055166511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275384434 + ... + 275384853.

It is an arithmetic number, because the mean of its divisors is an integer number (9913847184).

Almost surely, 2^115661550270 is an apocalyptic number.

115661550270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115661550270 is an abundant number, since it is smaller than the sum of its proper divisors (201581559618).

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

115661550270 is a wasteful number, since it uses less digits than its factorization.

115661550270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550769304.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 115661550270 in words is "one hundred fifteen billion, six hundred sixty-one million, five hundred fifty thousand, two hundred seventy".