1056654442556 has 6 divisors (see below), whose sum is σ = 1849145274480. Its totient is φ = 528327221276.

The previous prime is 1056654442457. The next prime is 1056654442559. The reversal of 1056654442556 is 6552444566501.

It is a super-2 number, since 2×1056654442556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056654442498 and 1056654442507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056654442559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132081805316 + ... + 132081805323.

It is an arithmetic number, because the mean of its divisors is an integer number (308190879080).

Almost surely, 2^{1056654442556} is an apocalyptic number.

It is an amenable number.

1056654442556 is a deficient number, since it is larger than the sum of its proper divisors (792490831924).

1056654442556 is a wasteful number, since it uses less digits than its factorization.

1056654442556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264163610643 (or 264163610641 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 53.

The spelling of 1056654442556 in words is "one trillion, fifty-six billion, six hundred fifty-four million, four hundred forty-two thousand, five hundred fifty-six".