502115020157 has 2 divisors, whose sum is σ = 502115020158. Its totient is φ = 502115020156.

The previous prime is 502115020129. The next prime is 502115020163. The reversal of 502115020157 is 751020511205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493898322841 + 8216697316 = 702779^2 + 90646^2 .

It is a cyclic number.

It is not a de Polignac number, because 502115020157 - 2⁶ = 502115020093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502115025157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251057510078 + 251057510079.

It is an arithmetic number, because the mean of its divisors is an integer number (251057510079).

Almost surely, 2^502115020157 is an apocalyptic number.

It is an amenable number.

502115020157 is a deficient number, since it is larger than the sum of its proper divisors (1).

502115020157 is an equidigital number, since it uses as much as digits as its factorization.

502115020157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3500, while the sum is 29.

The spelling of 502115020157 in words is "five hundred two billion, one hundred fifteen million, twenty thousand, one hundred fifty-seven".