61112222826 has 16 divisors (see below), whose sum is σ = 125527809504. Its totient is φ = 19820180304.

The previous prime is 61112222807. The next prime is 61112222827. The reversal of 61112222826 is 62822221116.

It is not an unprimeable number, because it can be changed into a prime (61112222827) 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, 137639920 + ... + 137640363.

It is an arithmetic number, because the mean of its divisors is an integer number (7845488094).

Almost surely, 2^61112222826 is an apocalyptic number.

61112222826 is an abundant number, since it is smaller than the sum of its proper divisors (64415586678).

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

61112222826 is a wasteful number, since it uses less digits than its factorization.

61112222826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275280325.

The product of its digits is 9216, while the sum is 33.

The spelling of 61112222826 in words is "sixty-one billion, one hundred twelve million, two hundred twenty-two thousand, eight hundred twenty-six".