512136621514 has 48 divisors (see below), whose sum is σ = 919206368640. Its totient is φ = 213271470720.

The previous prime is 512136621497. The next prime is 512136621533. The reversal of 512136621514 is 415126631215.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240274 + ... + 1040194.

It is an arithmetic number, because the mean of its divisors is an integer number (19150132680).

Almost surely, 2^512136621514 is an apocalyptic number.

512136621514 is a deficient number, since it is larger than the sum of its proper divisors (407069747126).

512136621514 is a wasteful number, since it uses less digits than its factorization.

512136621514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800123 (or 800116 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The spelling of 512136621514 in words is "five hundred twelve billion, one hundred thirty-six million, six hundred twenty-one thousand, five hundred fourteen".