61105965096373 has 2 divisors, whose sum is σ = 61105965096374. Its totient is φ = 61105965096372.

The previous prime is 61105965096359. The next prime is 61105965096391. The reversal of 61105965096373 is 37369056950116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60439942621969 + 666022474404 = 7774313^2 + 816102^2 .

It is a cyclic number.

It is not a de Polignac number, because 61105965096373 - 2²⁹ = 61105428225461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61105965096073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552982548186 + 30552982548187.

It is an arithmetic number, because the mean of its divisors is an integer number (30552982548187).

Almost surely, 2^{61105965096373} is an apocalyptic number.

It is an amenable number.

61105965096373 is a deficient number, since it is larger than the sum of its proper divisors (1).

61105965096373 is an equidigital number, since it uses as much as digits as its factorization.

61105965096373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27556200, while the sum is 61.

The spelling of 61105965096373 in words is "sixty-one trillion, one hundred five billion, nine hundred sixty-five million, ninety-six thousand, three hundred seventy-three".