515230157948 has 48 divisors (see below), whose sum is σ = 1024434044928. Its totient is φ = 224656488000.

The previous prime is 515230157921. The next prime is 515230157969. The reversal of 515230157948 is 849751032515.

It is a junction number, because it is equal to n+sod(n) for n = 515230157896 and 515230157905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2113148 + ... + 2344323.

It is an arithmetic number, because the mean of its divisors is an integer number (21342375936).

Almost surely, 2^515230157948 is an apocalyptic number.

It is an amenable number.

515230157948 is a deficient number, since it is larger than the sum of its proper divisors (509203886980).

515230157948 is a wasteful number, since it uses less digits than its factorization.

515230157948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457594 (or 4457592 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 515230157948 in words is "five hundred fifteen billion, two hundred thirty million, one hundred fifty-seven thousand, nine hundred forty-eight".