557655641361751 has 2 divisors, whose sum is σ = 557655641361752. Its totient is φ = 557655641361750.

The previous prime is 557655641361713. The next prime is 557655641361821. The reversal of 557655641361751 is 157163146556755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557655641361751 - 2³³ = 557647051427159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557655641361851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278827820680875 + 278827820680876.

It is an arithmetic number, because the mean of its divisors is an integer number (278827820680876).

Almost surely, 2^{557655641361751} is an apocalyptic number.

557655641361751 is a deficient number, since it is larger than the sum of its proper divisors (1).

557655641361751 is an equidigital number, since it uses as much as digits as its factorization.

557655641361751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900000, while the sum is 67.

The spelling of 557655641361751 in words is "five hundred fifty-seven trillion, six hundred fifty-five billion, six hundred forty-one million, three hundred sixty-one thousand, seven hundred fifty-one".