512505135130 has 48 divisors (see below), whose sum is σ = 998456799960. Its totient is φ = 189302617088.

The previous prime is 512505135091. The next prime is 512505135137. The reversal of 512505135130 is 31531505215.

It can be written as a sum of positive squares in 12 ways, for example, as 304568223129 + 207936912001 = 551877^2 + 456001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512505135092 and 512505135101.

It is not an unprimeable number, because it can be changed into a prime (512505135137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519825 + ... + 1826164.

Almost surely, 2^512505135130 is an apocalyptic number.

512505135130 is a deficient number, since it is larger than the sum of its proper divisors (485951664830).

512505135130 is a wasteful number, since it uses less digits than its factorization.

512505135130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346083 (or 3346066 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 512505135130 in words is "five hundred twelve billion, five hundred five million, one hundred thirty-five thousand, one hundred thirty".