7056056081 has 16 divisors (see below), whose sum is σ = 7476986880. Its totient is φ = 6645281280.

The previous prime is 7056056071. The next prime is 7056056093. The reversal of 7056056081 is 1806506507.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7056056081 is a prime.

It is a super-2 number, since 2×7056056081² = 99575854836434157122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7056056071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486176 + ... + 500478.

It is an arithmetic number, because the mean of its divisors is an integer number (467311680).

Almost surely, 2^7056056081 is an apocalyptic number.

It is an amenable number.

7056056081 is a deficient number, since it is larger than the sum of its proper divisors (420930799).

7056056081 is a wasteful number, since it uses less digits than its factorization.

7056056081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14656.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 7056056081 is about 84000.3338148129. Note that the first 3 decimals coincide. The cubic root of 7056056081 is about 1918.0238711141.

The spelling of 7056056081 in words is "seven billion, fifty-six million, fifty-six thousand, eighty-one".