1056055511 has 16 divisors (see below), whose sum is σ = 1325683200. Its totient is φ = 820261728.

The previous prime is 1056055501. The next prime is 1056055513. The reversal of 1056055511 is 1155506501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1056055511 - 2¹⁰ = 1056054487 is a prime.

It is a super-3 number, since 3×1056055511³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056055513) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 169556 + ... + 175673.

It is an arithmetic number, because the mean of its divisors is an integer number (82855200).

Almost surely, 2^1056055511 is an apocalyptic number.

1056055511 is a deficient number, since it is larger than the sum of its proper divisors (269627689).

1056055511 is a wasteful number, since it uses less digits than its factorization.

1056055511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345278.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 1056055511 is about 32497.0077237890. The cubic root of 1056055511 is about 1018.3465171934.

The spelling of 1056055511 in words is "one billion, fifty-six million, fifty-five thousand, five hundred eleven".