47581865523556 has 48 divisors (see below), whose sum is σ = 103479008598784. Its totient is φ = 18640841786496.

The previous prime is 47581865523529. The next prime is 47581865523601. The reversal of 47581865523556 is 65532556818574.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634522755 + ... + 634597738.

Almost surely, 2^{47581865523556} is an apocalyptic number.

It is an amenable number.

47581865523556 is an abundant number, since it is smaller than the sum of its proper divisors (55897143075228).

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

47581865523556 is a wasteful number, since it uses less digits than its factorization.

47581865523556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269120620 (or 1269120618 counting only the distinct ones).

The product of its digits is 1209600000, while the sum is 70.

The spelling of 47581865523556 in words is "forty-seven trillion, five hundred eighty-one billion, eight hundred sixty-five million, five hundred twenty-three thousand, five hundred fifty-six".