5221525989157 has 2 divisors, whose sum is σ = 5221525989158. Its totient is φ = 5221525989156.

The previous prime is 5221525989143. The next prime is 5221525989241. The reversal of 5221525989157 is 7519895251225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5187434428836 + 34091560321 = 2277594^2 + 184639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5221525989157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5221525989095 and 5221525989104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221525989107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610762994578 + 2610762994579.

It is an arithmetic number, because the mean of its divisors is an integer number (2610762994579).

Almost surely, 2^{5221525989157} is an apocalyptic number.

It is an amenable number.

5221525989157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221525989157 is an equidigital number, since it uses as much as digits as its factorization.

5221525989157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680000, while the sum is 61.

The spelling of 5221525989157 in words is "five trillion, two hundred twenty-one billion, five hundred twenty-five million, nine hundred eighty-nine thousand, one hundred fifty-seven".