5215444113157 has 2 divisors, whose sum is σ = 5215444113158. Its totient is φ = 5215444113156.

The previous prime is 5215444113107. The next prime is 5215444113161. The reversal of 5215444113157 is 7513114445125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3735228790276 + 1480215322881 = 1932674^2 + 1216641^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215444113157 - 2¹¹ = 5215444111109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215444113107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607722056578 + 2607722056579.

It is an arithmetic number, because the mean of its divisors is an integer number (2607722056579).

Almost surely, 2^{5215444113157} is an apocalyptic number.

It is an amenable number.

5215444113157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215444113157 is an equidigital number, since it uses as much as digits as its factorization.

5215444113157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336000, while the sum is 43.

The spelling of 5215444113157 in words is "five trillion, two hundred fifteen billion, four hundred forty-four million, one hundred thirteen thousand, one hundred fifty-seven".