111381371848 has 16 divisors (see below), whose sum is σ = 209399970780. Its totient is φ = 55541379648.

The previous prime is 111381371833. The next prime is 111381371861. The reversal of 111381371848 is 848173183111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110597483844 + 783888004 = 332562^2 + 27998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111381371798 and 111381371807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18660115 + ... + 18666082.

Almost surely, 2^111381371848 is an apocalyptic number.

It is an amenable number.

111381371848 is a deficient number, since it is larger than the sum of its proper divisors (98018598932).

111381371848 is a wasteful number, since it uses less digits than its factorization.

111381371848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37326576 (or 37326572 counting only the distinct ones).

The product of its digits is 129024, while the sum is 46.

The spelling of 111381371848 in words is "one hundred eleven billion, three hundred eighty-one million, three hundred seventy-one thousand, eight hundred forty-eight".