1056475271644 has 24 divisors (see below), whose sum is σ = 1991673821088. Its totient is φ = 487451088960.

The previous prime is 1056475271633. The next prime is 1056475271647. The reversal of 1056475271644 is 4461725746501.

It is a super-2 number, since 2×1056475271644² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 1056475271591 and 1056475271600.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3017527 + ... + 3349390.

It is an arithmetic number, because the mean of its divisors is an integer number (82986409212).

Almost surely, 2^{1056475271644} is an apocalyptic number.

It is an amenable number.

1056475271644 is a deficient number, since it is larger than the sum of its proper divisors (935198549444).

1056475271644 is a wasteful number, since it uses less digits than its factorization.

1056475271644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370125 (or 6370123 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 1056475271644 in words is "one trillion, fifty-six billion, four hundred seventy-five million, two hundred seventy-one thousand, six hundred forty-four".