5118223125157 has 2 divisors, whose sum is σ = 5118223125158. Its totient is φ = 5118223125156.

The previous prime is 5118223125133. The next prime is 5118223125167. The reversal of 5118223125157 is 7515213228115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4099191425316 + 1019031699841 = 2024646^2 + 1009471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5118223125157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5118223125167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559111562578 + 2559111562579.

It is an arithmetic number, because the mean of its divisors is an integer number (2559111562579).

Almost surely, 2^{5118223125157} is an apocalyptic number.

It is an amenable number.

5118223125157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5118223125157 is an equidigital number, since it uses as much as digits as its factorization.

5118223125157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 43.

The spelling of 5118223125157 in words is "five trillion, one hundred eighteen billion, two hundred twenty-three million, one hundred twenty-five thousand, one hundred fifty-seven".