1543774474056 has 64 divisors (see below), whose sum is σ = 3872444195520. Its totient is φ = 512859340800.

The previous prime is 1543774474049. The next prime is 1543774474057. The reversal of 1543774474056 is 6504744773451.

It is a super-2 number, since 2×1543774474056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1543774473987 and 1543774474005.

It is not an unprimeable number, because it can be changed into a prime (1543774474057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11026911 + ... + 11166033.

It is an arithmetic number, because the mean of its divisors is an integer number (60506940555).

Almost surely, 2^{1543774474056} is an apocalyptic number.

It is an amenable number.

1543774474056 is an abundant number, since it is smaller than the sum of its proper divisors (2328669721464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1543774474056 is a wasteful number, since it uses less digits than its factorization.

1543774474056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140686 (or 140682 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 57.

The spelling of 1543774474056 in words is "one trillion, five hundred forty-three billion, seven hundred seventy-four million, four hundred seventy-four thousand, fifty-six".