1056005005051 has 8 divisors (see below), whose sum is σ = 1071340512704. Its totient is φ = 1040693002560.

The previous prime is 1056005004997. The next prime is 1056005005091. The reversal of 1056005005051 is 1505005006501.

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 1056005005051 - 2¹¹ = 1056005003003 is a prime.

It is a super-2 number, since 2×1056005005051² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056005005091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5785776 + ... + 5965501.

It is an arithmetic number, because the mean of its divisors is an integer number (133917564088).

Almost surely, 2^{1056005005051} is an apocalyptic number.

1056005005051 is a deficient number, since it is larger than the sum of its proper divisors (15335507653).

1056005005051 is a wasteful number, since it uses less digits than its factorization.

1056005005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11752581.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 1056005005051 in words is "one trillion, fifty-six billion, five million, five thousand, fifty-one".