111609151792 has 10 divisors (see below), whose sum is σ = 216242731628. Its totient is φ = 55804575888.

The previous prime is 111609151763. The next prime is 111609151877. The reversal of 111609151792 is 297151906111.

It is a super-3 number, since 3×111609151792³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 as a sum of consecutive naturals, namely, 3487785978 + ... + 3487786009.

Almost surely, 2^111609151792 is an apocalyptic number.

It is an amenable number.

111609151792 is a deficient number, since it is larger than the sum of its proper divisors (104633579836).

111609151792 is an equidigital number, since it uses as much as digits as its factorization.

111609151792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6975571995 (or 6975571989 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 43.

The spelling of 111609151792 in words is "one hundred eleven billion, six hundred nine million, one hundred fifty-one thousand, seven hundred ninety-two".