515423212215 has 16 divisors (see below), whose sum is σ = 868081200000. Its totient is φ = 260424359712.

The previous prime is 515423212133. The next prime is 515423212237. The reversal of 515423212215 is 512212324515.

It is not a de Polignac number, because 515423212215 - 2⁸ = 515423211959 is a prime.

It is a super-2 number, since 2×515423212215² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904250965 + ... + 904251534.

It is an arithmetic number, because the mean of its divisors is an integer number (54255075000).

Almost surely, 2^515423212215 is an apocalyptic number.

515423212215 is a deficient number, since it is larger than the sum of its proper divisors (352657987785).

515423212215 is a wasteful number, since it uses less digits than its factorization.

515423212215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808502526.

The product of its digits is 24000, while the sum is 33.

The spelling of 515423212215 in words is "five hundred fifteen billion, four hundred twenty-three million, two hundred twelve thousand, two hundred fifteen".