111406601111 has 8 divisors (see below), whose sum is σ = 119978969040. Its totient is φ = 102834608832.

The previous prime is 111406601101. The next prime is 111406601123. The reversal of 111406601111 is 111106604111.

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

It is a cyclic number.

It is not a de Polignac number, because 111406601111 - 2²² = 111402406807 is a prime.

It is a super-2 number, since 2×111406601111² (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 (111406601101) 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, 960971 + ... + 1070643.

It is an arithmetic number, because the mean of its divisors is an integer number (14997371130).

Almost surely, 2^111406601111 is an apocalyptic number.

111406601111 is a deficient number, since it is larger than the sum of its proper divisors (8572367929).

111406601111 is a wasteful number, since it uses less digits than its factorization.

111406601111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187825.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 111406601111 in words is "one hundred eleven billion, four hundred six million, six hundred one thousand, one hundred eleven".