1056366051013 has 24 divisors (see below), whose sum is σ = 1324911767928. Its totient is φ = 834825833856.

The previous prime is 1056366051011. The next prime is 1056366051053. The reversal of 1056366051013 is 3101506636501.

It can be written as a sum of positive squares in 4 ways, for example, as 59208028929 + 997158022084 = 243327^2 + 998578^2 .

It is not a de Polignac number, because 1056366051013 - 2¹ = 1056366051011 is a prime.

It is a super-2 number, since 2×1056366051013² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056366051011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428706 + ... + 1515427.

It is an arithmetic number, because the mean of its divisors is an integer number (55204656997).

Almost surely, 2^{1056366051013} is an apocalyptic number.

1056366051013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1056366051013 is a deficient number, since it is larger than the sum of its proper divisors (268545716915).

1056366051013 is a wasteful number, since it uses less digits than its factorization.

1056366051013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945013 (or 1945006 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 1056366051013 in words is "one trillion, fifty-six billion, three hundred sixty-six million, fifty-one thousand, thirteen".