115777251222 has 16 divisors (see below), whose sum is σ = 243741581760. Its totient is φ = 36561237192.

The previous prime is 115777251221. The next prime is 115777251257. The reversal of 115777251222 is 222152777511.

115777251222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115777251221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507794848 + ... + 507795075.

It is an arithmetic number, because the mean of its divisors is an integer number (15233848860).

Almost surely, 2^115777251222 is an apocalyptic number.

115777251222 is an abundant number, since it is smaller than the sum of its proper divisors (127964330538).

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

115777251222 is a wasteful number, since it uses less digits than its factorization.

115777251222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015589947.

The product of its digits is 137200, while the sum is 42.

The spelling of 115777251222 in words is "one hundred fifteen billion, seven hundred seventy-seven million, two hundred fifty-one thousand, two hundred twenty-two".