511340452516 has 24 divisors (see below), whose sum is σ = 947538992736. Its totient is φ = 240616778880.

The previous prime is 511340452489. The next prime is 511340452531. The reversal of 511340452516 is 615254043115.

It is a super-2 number, since 2×511340452516² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006435 + ... + 1426741.

It is an arithmetic number, because the mean of its divisors is an integer number (39480791364).

Almost surely, 2^511340452516 is an apocalyptic number.

It is an amenable number.

511340452516 is a deficient number, since it is larger than the sum of its proper divisors (436198540220).

511340452516 is a wasteful number, since it uses less digits than its factorization.

511340452516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438219 (or 438217 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 511340452516 in words is "five hundred eleven billion, three hundred forty million, four hundred fifty-two thousand, five hundred sixteen".