511215615130 has 32 divisors (see below), whose sum is σ = 1004465810880. Its totient is φ = 185780987520.

The previous prime is 511215615023. The next prime is 511215615199. The reversal of 511215615130 is 31516512115.

It is a happy number.

It is a super-2 number, since 2×511215615130² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511215615092 and 511215615101.

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, 1267204 + ... + 1621183.

It is an arithmetic number, because the mean of its divisors is an integer number (31389556590).

Almost surely, 2^511215615130 is an apocalyptic number.

511215615130 is a deficient number, since it is larger than the sum of its proper divisors (493250195750).

511215615130 is a wasteful number, since it uses less digits than its factorization.

511215615130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890014.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 511215615130 in words is "five hundred eleven billion, two hundred fifteen million, six hundred fifteen thousand, one hundred thirty".