511201530056 has 32 divisors (see below), whose sum is σ = 1096494468480. Its totient is φ = 218873846400.

The previous prime is 511201529981. The next prime is 511201530079. The reversal of 511201530056 is 650035102115.

It is a super-2 number, since 2×511201530056² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4369325 + ... + 4484796.

It is an arithmetic number, because the mean of its divisors is an integer number (34265452140).

Almost surely, 2^511201530056 is an apocalyptic number.

511201530056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

511201530056 is an abundant number, since it is smaller than the sum of its proper divisors (585292938424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511201530056 is a wasteful number, since it uses less digits than its factorization.

511201530056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855165 (or 8855161 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 511201530056 in words is "five hundred eleven billion, two hundred one million, five hundred thirty thousand, fifty-six".