1056258088807 has 4 divisors (see below), whose sum is σ = 1060466288616. Its totient is φ = 1052049889000.

The previous prime is 1056258088747. The next prime is 1056258088811. The reversal of 1056258088807 is 7088808526501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056258088807 is a prime.

It is a super-2 number, since 2×1056258088807² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056258088817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104099528 + ... + 2104100029.

It is an arithmetic number, because the mean of its divisors is an integer number (265116572154).

Almost surely, 2^{1056258088807} is an apocalyptic number.

1056258088807 is a deficient number, since it is larger than the sum of its proper divisors (4208199809).

1056258088807 is an equidigital number, since it uses as much as digits as its factorization.

1056258088807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208199808.

The product of its (nonzero) digits is 8601600, while the sum is 58.

The spelling of 1056258088807 in words is "one trillion, fifty-six billion, two hundred fifty-eight million, eighty-eight thousand, eight hundred seven".