1056475271643 has 32 divisors (see below), whose sum is σ = 1569538252800. Its totient is φ = 626604444960.

The previous prime is 1056475271633. The next prime is 1056475271647. The reversal of 1056475271643 is 3461725746501.

It is not a de Polignac number, because 1056475271643 - 2¹⁶ = 1056475206107 is a prime.

It is a super-2 number, since 2×1056475271643² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056475271647) 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, 19979946 + ... + 20032752.

It is an arithmetic number, because the mean of its divisors is an integer number (49048070400).

Almost surely, 2^{1056475271643} is an apocalyptic number.

1056475271643 is a deficient number, since it is larger than the sum of its proper divisors (513062981157).

1056475271643 is a wasteful number, since it uses less digits than its factorization.

1056475271643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65767.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 1056475271643 in words is "one trillion, fifty-six billion, four hundred seventy-five million, two hundred seventy-one thousand, six hundred forty-three".