61560560723 has 2 divisors, whose sum is σ = 61560560724. Its totient is φ = 61560560722.

The previous prime is 61560560717. The next prime is 61560560729. The reversal of 61560560723 is 32706506516.

It is a balanced prime because it is at equal distance from previous prime (61560560717) and next prime (61560560729).

It is a cyclic number.

It is not a de Polignac number, because 61560560723 - 2⁴ = 61560560707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61560560729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30780280361 + 30780280362.

It is an arithmetic number, because the mean of its divisors is an integer number (30780280362).

Almost surely, 2^61560560723 is an apocalyptic number.

61560560723 is a deficient number, since it is larger than the sum of its proper divisors (1).

61560560723 is an equidigital number, since it uses as much as digits as its factorization.

61560560723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 61560560723 in words is "sixty-one billion, five hundred sixty million, five hundred sixty thousand, seven hundred twenty-three".