56716151225677 has 2 divisors, whose sum is σ = 56716151225678. Its totient is φ = 56716151225676.

The previous prime is 56716151225647. The next prime is 56716151225803. The reversal of 56716151225677 is 77652215161765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49168059856036 + 7548091369641 = 7011994^2 + 2747379^2 .

It is a cyclic number.

It is not a de Polignac number, because 56716151225677 - 2²³ = 56716142837069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56716151225647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28358075612838 + 28358075612839.

It is an arithmetic number, because the mean of its divisors is an integer number (28358075612839).

Almost surely, 2^{56716151225677} is an apocalyptic number.

It is an amenable number.

56716151225677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56716151225677 is an equidigital number, since it uses as much as digits as its factorization.

56716151225677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044000, while the sum is 61.

The spelling of 56716151225677 in words is "fifty-six trillion, seven hundred sixteen billion, one hundred fifty-one million, two hundred twenty-five thousand, six hundred seventy-seven".