111381370208672 has 24 divisors (see below), whose sum is σ = 219282318637956. Its totient is φ = 55690622618112.

The previous prime is 111381370208629. The next prime is 111381370208687. The reversal of 111381370208672 is 276802073183111.

It can be written as a sum of positive squares in 2 ways, for example, as 97557578511376 + 13823791697296 = 9877124^2 + 3718036^2 .

It is a super-2 number, since 2×111381370208672² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111381370208672.

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, 42773708 + ... + 45302900.

Almost surely, 2^{111381370208672} is an apocalyptic number.

It is an amenable number.

111381370208672 is a deficient number, since it is larger than the sum of its proper divisors (107900948429284).

111381370208672 is a wasteful number, since it uses less digits than its factorization.

111381370208672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905400 (or 3905392 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 111381370208672 in words is "one hundred eleven trillion, three hundred eighty-one billion, three hundred seventy million, two hundred eight thousand, six hundred seventy-two".