111116407061 has 4 divisors (see below), whose sum is σ = 121217898624. Its totient is φ = 101014915500.

The previous prime is 111116407043. The next prime is 111116407067. The reversal of 111116407061 is 160704611111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160704611111 = 11 ⋅14609510101.

It is a cyclic number.

It is not a de Polignac number, because 111116407061 - 2⁶ = 111116406997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111116407067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050745765 + ... + 5050745786.

It is an arithmetic number, because the mean of its divisors is an integer number (30304474656).

Almost surely, 2^111116407061 is an apocalyptic number.

111116407061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111116407061 is a deficient number, since it is larger than the sum of its proper divisors (10101491563).

111116407061 is a wasteful number, since it uses less digits than its factorization.

111116407061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101491562.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 111116407061 in words is "one hundred eleven billion, one hundred sixteen million, four hundred seven thousand, sixty-one".