5157220227539 has 2 divisors, whose sum is σ = 5157220227540. Its totient is φ = 5157220227538.

The previous prime is 5157220227479. The next prime is 5157220227541. The reversal of 5157220227539 is 9357220227515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5157220227539 - 2¹² = 5157220223443 is a prime.

Together with 5157220227541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5157220227739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578610113769 + 2578610113770.

It is an arithmetic number, because the mean of its divisors is an integer number (2578610113770).

Almost surely, 2^{5157220227539} is an apocalyptic number.

5157220227539 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157220227539 is an equidigital number, since it uses as much as digits as its factorization.

5157220227539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 5157220227539 in words is "five trillion, one hundred fifty-seven billion, two hundred twenty million, two hundred twenty-seven thousand, five hundred thirty-nine".