111391049669 has 8 divisors (see below), whose sum is σ = 111512214528. Its totient is φ = 111269952720.

The previous prime is 111391049663. The next prime is 111391049701. The reversal of 111391049669 is 966940193111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111391049669 is a prime.

It is a super-2 number, since 2×111391049669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111391049663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692204 + ... + 3722250.

It is an arithmetic number, because the mean of its divisors is an integer number (13939026816).

Almost surely, 2^111391049669 is an apocalyptic number.

It is an amenable number.

111391049669 is a deficient number, since it is larger than the sum of its proper divisors (121164859).

111391049669 is a wasteful number, since it uses less digits than its factorization.

111391049669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33955.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 111391049669 in words is "one hundred eleven billion, three hundred ninety-one million, forty-nine thousand, six hundred sixty-nine".