61000100000617 has 2 divisors, whose sum is σ = 61000100000618. Its totient is φ = 61000100000616.

The previous prime is 61000100000569. The next prime is 61000100000663. The reversal of 61000100000617 is 71600000100016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59864093621721 + 1136006378896 = 7737189^2 + 1065836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61000100000617 is a prime.

It is not a weakly prime, because it can be changed into another prime (61000100000317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500050000308 + 30500050000309.

It is an arithmetic number, because the mean of its divisors is an integer number (30500050000309).

Almost surely, 2^{61000100000617} is an apocalyptic number.

It is an amenable number.

61000100000617 is a deficient number, since it is larger than the sum of its proper divisors (1).

61000100000617 is an equidigital number, since it uses as much as digits as its factorization.

61000100000617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The spelling of 61000100000617 in words is "sixty-one trillion, one hundred million, six hundred seventeen", and thus it is an aban number.