515157863414 has 24 divisors (see below), whose sum is σ = 803083824720. Its totient is φ = 247828907280.

The previous prime is 515157863413. The next prime is 515157863431. The reversal of 515157863414 is 414368751515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515157863413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442154 + ... + 1107165.

It is an arithmetic number, because the mean of its divisors is an integer number (33461826030).

Almost surely, 2^515157863414 is an apocalyptic number.

515157863414 is a deficient number, since it is larger than the sum of its proper divisors (287925961306).

515157863414 is a wasteful number, since it uses less digits than its factorization.

515157863414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549556 (or 1549525 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 50.

The spelling of 515157863414 in words is "five hundred fifteen billion, one hundred fifty-seven million, eight hundred sixty-three thousand, four hundred fourteen".