5631757687601 has 2 divisors, whose sum is σ = 5631757687602. Its totient is φ = 5631757687600.

The previous prime is 5631757687573. The next prime is 5631757687651. The reversal of 5631757687601 is 1067867571365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5454536895025 + 177220792576 = 2335495^2 + 420976^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631757687601 - 2¹⁸ = 5631757425457 is a prime.

It is not a weakly prime, because it can be changed into another prime (5631757687651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815878843800 + 2815878843801.

It is an arithmetic number, because the mean of its divisors is an integer number (2815878843801).

Almost surely, 2^{5631757687601} is an apocalyptic number.

It is an amenable number.

5631757687601 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631757687601 is an equidigital number, since it uses as much as digits as its factorization.

5631757687601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44452800, while the sum is 62.

The spelling of 5631757687601 in words is "five trillion, six hundred thirty-one billion, seven hundred fifty-seven million, six hundred eighty-seven thousand, six hundred one".