1056326040653 has 8 divisors (see below), whose sum is σ = 1138235321496. Its totient is φ = 974510107200.

The previous prime is 1056326040631. The next prime is 1056326040659. The reversal of 1056326040653 is 3560406236501.

It can be written as a sum of positive squares in 4 ways, for example, as 110604800329 + 945721240324 = 332573^2 + 972482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056326040653 - 2³⁶ = 987606563917 is a prime.

It is a super-2 number, since 2×1056326040653² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056326040653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056326040659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23313338 + ... + 23358603.

It is an arithmetic number, because the mean of its divisors is an integer number (142279415187).

Almost surely, 2^{1056326040653} is an apocalyptic number.

1056326040653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1056326040653 is a deficient number, since it is larger than the sum of its proper divisors (81909280843).

1056326040653 is a wasteful number, since it uses less digits than its factorization.

1056326040653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46673695.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 1056326040653 in words is "one trillion, fifty-six billion, three hundred twenty-six million, forty thousand, six hundred fifty-three".