111240046961 has 2 divisors, whose sum is σ = 111240046962. Its totient is φ = 111240046960.

The previous prime is 111240046919. The next prime is 111240046979. The reversal of 111240046961 is 169640042111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94030542736 + 17209504225 = 306644^2 + 131185^2 .

It is a cyclic number.

It is not a de Polignac number, because 111240046961 - 2³⁴ = 94060177777 is a prime.

It is not a weakly prime, because it can be changed into another prime (111240043961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55620023480 + 55620023481.

It is an arithmetic number, because the mean of its divisors is an integer number (55620023481).

Almost surely, 2^111240046961 is an apocalyptic number.

It is an amenable number.

111240046961 is a deficient number, since it is larger than the sum of its proper divisors (1).

111240046961 is an equidigital number, since it uses as much as digits as its factorization.

111240046961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 111240046961 in words is "one hundred eleven billion, two hundred forty million, forty-six thousand, nine hundred sixty-one".