1056045819885 has 32 divisors (see below), whose sum is σ = 1937645902080. Its totient is φ = 481116131328.

The previous prime is 1056045819883. The next prime is 1056045819919. The reversal of 1056045819885 is 5889185406501.

It is not a de Polignac number, because 1056045819885 - 2¹ = 1056045819883 is a prime.

It is a super-2 number, since 2×1056045819885² (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 (1056045819883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17132340 + ... + 17193869.

It is an arithmetic number, because the mean of its divisors is an integer number (60551434440).

Almost surely, 2^{1056045819885} is an apocalyptic number.

1056045819885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056045819885 is a deficient number, since it is larger than the sum of its proper divisors (881600082195).

1056045819885 is a wasteful number, since it uses less digits than its factorization.

1056045819885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34326517.

The product of its (nonzero) digits is 13824000, while the sum is 60.

The spelling of 1056045819885 in words is "one trillion, fifty-six billion, forty-five million, eight hundred nineteen thousand, eight hundred eighty-five".