1056141521812 has 12 divisors (see below), whose sum is σ = 1990420560436. Its totient is φ = 487449933120.

The previous prime is 1056141521803. The next prime is 1056141521857. The reversal of 1056141521812 is 2181251416501.

It can be written as a sum of positive squares in 2 ways, for example, as 218543160196 + 837598361616 = 467486^2 + 915204^2 .

It is a super-2 number, since 2×1056141521812² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10155206889 + ... + 10155206992.

Almost surely, 2^{1056141521812} is an apocalyptic number.

It is an amenable number.

1056141521812 is a deficient number, since it is larger than the sum of its proper divisors (934279038624).

1056141521812 is a wasteful number, since it uses less digits than its factorization.

1056141521812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310413898 (or 20310413896 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 37.

The spelling of 1056141521812 in words is "one trillion, fifty-six billion, one hundred forty-one million, five hundred twenty-one thousand, eight hundred twelve".