1051444413556 has 12 divisors (see below), whose sum is σ = 1842420482980. Its totient is φ = 525038561280.

The previous prime is 1051444413527. The next prime is 1051444413581. The reversal of 1051444413556 is 6553144441501.

It can be written as a sum of positive squares in 2 ways, for example, as 252415808100 + 799028605456 = 502410^2 + 893884^2 .

It is a super-2 number, since 2×1051444413556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170907915 + ... + 170914066.

Almost surely, 2^{1051444413556} is an apocalyptic number.

It is an amenable number.

1051444413556 is a deficient number, since it is larger than the sum of its proper divisors (790976069424).

1051444413556 is a wasteful number, since it uses less digits than its factorization.

1051444413556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341822754 (or 341822752 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 1051444413556 in words is "one trillion, fifty-one billion, four hundred forty-four million, four hundred thirteen thousand, five hundred fifty-six".