1056055610561 has 32 divisors (see below), whose sum is σ = 1255688232960. Its totient is φ = 868985941824.

The previous prime is 1056055610513. The next prime is 1056055610563. The reversal of 1056055610561 is 1650165506501.

It is not a de Polignac number, because 1056055610561 - 2⁶ = 1056055610497 is a prime.

It is a super-3 number, since 3×1056055610561³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1056055610563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26579036 + ... + 26618738.

It is an arithmetic number, because the mean of its divisors is an integer number (39240257280).

Almost surely, 2^{1056055610561} is an apocalyptic number.

It is an amenable number.

1056055610561 is a deficient number, since it is larger than the sum of its proper divisors (199632622399).

1056055610561 is a wasteful number, since it uses less digits than its factorization.

1056055610561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40485.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 1056055610561 in words is "one trillion, fifty-six billion, fifty-five million, six hundred ten thousand, five hundred sixty-one".