511061000056 has 32 divisors (see below), whose sum is σ = 1014663980880. Its totient is φ = 240485644800.

The previous prime is 511061000029. The next prime is 511061000059. The reversal of 511061000056 is 650000160115.

It is a super-2 number, since 2×511061000056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511061000059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538871 + ... + 2732761.

Almost surely, 2^511061000056 is an apocalyptic number.

It is an amenable number.

511061000056 is a deficient number, since it is larger than the sum of its proper divisors (503602980824).

511061000056 is a wasteful number, since it uses less digits than its factorization.

511061000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213295 (or 213291 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 511061000056 in words is "five hundred eleven billion, sixty-one million, fifty-six", and thus it is an aban number.