5121553330697 has 2 divisors, whose sum is σ = 5121553330698. Its totient is φ = 5121553330696.

The previous prime is 5121553330669. The next prime is 5121553330723. The reversal of 5121553330697 is 7960333551215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2762945408521 + 2358607922176 = 1662211^2 + 1535776^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121553330697 - 2⁶ = 5121553330633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5121553330637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560776665348 + 2560776665349.

It is an arithmetic number, because the mean of its divisors is an integer number (2560776665349).

Almost surely, 2^{5121553330697} is an apocalyptic number.

It is an amenable number.

5121553330697 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121553330697 is an equidigital number, since it uses as much as digits as its factorization.

5121553330697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2551500, while the sum is 50.

The spelling of 5121553330697 in words is "five trillion, one hundred twenty-one billion, five hundred fifty-three million, three hundred thirty thousand, six hundred ninety-seven".