111312550402 has 16 divisors (see below), whose sum is σ = 169573404672. Its totient is φ = 54794090880.

The previous prime is 111312550399. The next prime is 111312550429. The reversal of 111312550402 is 204055213111.

111312550402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1464978 + ... + 1539085.

It is an arithmetic number, because the mean of its divisors is an integer number (10598337792).

Almost surely, 2^111312550402 is an apocalyptic number.

111312550402 is a deficient number, since it is larger than the sum of its proper divisors (58260854270).

111312550402 is a wasteful number, since it uses less digits than its factorization.

111312550402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004353.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 111312550402 its reverse (204055213111), we get a palindrome (315367763513).

The spelling of 111312550402 in words is "one hundred eleven billion, three hundred twelve million, five hundred fifty thousand, four hundred two".