111279040312 has 32 divisors (see below), whose sum is σ = 237512580480. Its totient is φ = 48382190560.

The previous prime is 111279040247. The next prime is 111279040339. The reversal of 111279040312 is 213040972111.

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 7 ways as a sum of consecutive naturals, for example, 27487858 + ... + 27491905.

It is an arithmetic number, because the mean of its divisors is an integer number (7422268140).

Almost surely, 2^111279040312 is an apocalyptic number.

It is an amenable number.

111279040312 is an abundant number, since it is smaller than the sum of its proper divisors (126233540168).

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

111279040312 is a wasteful number, since it uses less digits than its factorization.

111279040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54979803 (or 54979799 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 111279040312 in words is "one hundred eleven billion, two hundred seventy-nine million, forty thousand, three hundred twelve".