111456061 has 2 divisors, whose sum is σ = 111456062. Its totient is φ = 111456060.

The previous prime is 111456049. The next prime is 111456073. The reversal of 111456061 is 160654111.

It is a balanced prime because it is at equal distance from previous prime (111456049) and next prime (111456073).

It can be written as a sum of positive squares in only one way, i.e., 73633561 + 37822500 = 8581^2 + 6150^2 .

It is a cyclic number.

It is not a de Polignac number, because 111456061 - 2⁷ = 111455933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111456031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55728030 + 55728031.

It is an arithmetic number, because the mean of its divisors is an integer number (55728031).

Almost surely, 2^111456061 is an apocalyptic number.

It is an amenable number.

111456061 is a deficient number, since it is larger than the sum of its proper divisors (1).

111456061 is an equidigital number, since it uses as much as digits as its factorization.

111456061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 111456061 is about 10557.2752640063. The cubic root of 111456061 is about 481.2468466426.

It can be divided in two parts, 1114 and 56061, that added together give a palindrome (57175).

The spelling of 111456061 in words is "one hundred eleven million, four hundred fifty-six thousand, sixty-one".