61036315727 has 2 divisors, whose sum is σ = 61036315728. Its totient is φ = 61036315726.

The previous prime is 61036315723. The next prime is 61036315751. The reversal of 61036315727 is 72751363016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61036315727 - 2² = 61036315723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61036315723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30518157863 + 30518157864.

It is an arithmetic number, because the mean of its divisors is an integer number (30518157864).

Almost surely, 2^61036315727 is an apocalyptic number.

61036315727 is a deficient number, since it is larger than the sum of its proper divisors (1).

61036315727 is an equidigital number, since it uses as much as digits as its factorization.

61036315727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 61036315727 in words is "sixty-one billion, thirty-six million, three hundred fifteen thousand, seven hundred twenty-seven".