1056001011005 has 32 divisors (see below), whose sum is σ = 1361187929088. Its totient is φ = 784405036800.

The previous prime is 1056001010983. The next prime is 1056001011019. The reversal of 1056001011005 is 5001101006501.

It is not a de Polignac number, because 1056001011005 - 2¹⁰ = 1056001009981 is a prime.

It is a super-2 number, since 2×1056001011005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545995 + ... + 2121815.

It is an arithmetic number, because the mean of its divisors is an integer number (42537122784).

Almost surely, 2^{1056001011005} is an apocalyptic number.

It is an amenable number.

1056001011005 is a deficient number, since it is larger than the sum of its proper divisors (305186918083).

1056001011005 is a wasteful number, since it uses less digits than its factorization.

1056001011005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576317.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 1056001011005 its reverse (5001101006501), we get a palindrome (6057102017506).

The spelling of 1056001011005 in words is "one trillion, fifty-six billion, one million, eleven thousand, five".