111616156741 has 2 divisors, whose sum is σ = 111616156742. Its totient is φ = 111616156740.

The previous prime is 111616156703. The next prime is 111616156747. The reversal of 111616156741 is 147651616111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61766663841 + 49849492900 = 248529^2 + 223270^2 .

It is a cyclic number.

It is not a de Polignac number, because 111616156741 - 2²⁷ = 111481939013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111616156694 and 111616156703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111616156747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55808078370 + 55808078371.

It is an arithmetic number, because the mean of its divisors is an integer number (55808078371).

Almost surely, 2^111616156741 is an apocalyptic number.

It is an amenable number.

111616156741 is a deficient number, since it is larger than the sum of its proper divisors (1).

111616156741 is an equidigital number, since it uses as much as digits as its factorization.

111616156741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 40.

The spelling of 111616156741 in words is "one hundred eleven billion, six hundred sixteen million, one hundred fifty-six thousand, seven hundred forty-one".