61450500116111 has 2 divisors, whose sum is σ = 61450500116112. Its totient is φ = 61450500116110.

The previous prime is 61450500116087. The next prime is 61450500116147. The reversal of 61450500116111 is 11161100505416.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61450500116111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61450500116171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30725250058055 + 30725250058056.

It is an arithmetic number, because the mean of its divisors is an integer number (30725250058056).

Almost surely, 2^{61450500116111} is an apocalyptic number.

61450500116111 is a deficient number, since it is larger than the sum of its proper divisors (1).

61450500116111 is an equidigital number, since it uses as much as digits as its factorization.

61450500116111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 32.

The spelling of 61450500116111 in words is "sixty-one trillion, four hundred fifty billion, five hundred million, one hundred sixteen thousand, one hundred eleven".