111953983882 has 16 divisors (see below), whose sum is σ = 181001924712. Its totient is φ = 51627303360.

The previous prime is 111953983873. The next prime is 111953983943. The reversal of 111953983882 is 288389359111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96211012041 + 15742971841 = 310179^2 + 125471^2 .

It is a super-2 number, since 2×111953983882² (a number of 23 digits) contains 22 as substring.

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, 1792293 + ... + 1853704.

Almost surely, 2^111953983882 is an apocalyptic number.

111953983882 is a deficient number, since it is larger than the sum of its proper divisors (69047940830).

111953983882 is a wasteful number, since it uses less digits than its factorization.

111953983882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647193.

The product of its digits is 3732480, while the sum is 58.

The spelling of 111953983882 in words is "one hundred eleven billion, nine hundred fifty-three million, nine hundred eighty-three thousand, eight hundred eighty-two".