111278208130 has 16 divisors (see below), whose sum is σ = 201407412024. Its totient is φ = 44265363840.

The previous prime is 111278207987. The next prime is 111278208157. The reversal of 111278208130 is 31802872111.

111278208130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31840476721 + 79437731409 = 178439^2 + 281847^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30738027 + ... + 30741646.

Almost surely, 2^111278208130 is an apocalyptic number.

111278208130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111278208130 is a deficient number, since it is larger than the sum of its proper divisors (90129203894).

111278208130 is a wasteful number, since it uses less digits than its factorization.

111278208130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61479861.

The product of its (nonzero) digits is 5376, while the sum is 34.

The spelling of 111278208130 in words is "one hundred eleven billion, two hundred seventy-eight million, two hundred eight thousand, one hundred thirty".