515230315230642 has 64 divisors (see below), whose sum is σ = 1125129601346688. Its totient is φ = 155992824000000.

The previous prime is 515230315230619. The next prime is 515230315230773. The reversal of 515230315230642 is 246032513032515.

It is a junction number, because it is equal to n+sod(n) for n = 515230315230594 and 515230315230603.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 772546548 + ... + 773213184.

It is an arithmetic number, because the mean of its divisors is an integer number (17580150021042).

Almost surely, 2^{515230315230642} is an apocalyptic number.

515230315230642 is an abundant number, since it is smaller than the sum of its proper divisors (609899286116046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515230315230642 is a wasteful number, since it uses less digits than its factorization.

515230315230642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676955.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 515230315230642 in words is "five hundred fifteen trillion, two hundred thirty billion, three hundred fifteen million, two hundred thirty thousand, six hundred forty-two".