447818318012511 has 14 divisors (see below), whose sum is σ = 671420331397080. Its totient is φ = 298545545341188.

The previous prime is 447818318012453. The next prime is 447818318012539. The reversal of 447818318012511 is 115210813818744.

447818318012511 is a `hidden beast` number, since 4 + 4 + 7 + 8 + 1 + 8 + 31 + 80 + 12 + 511 = 666.

It is not a de Polignac number, because 447818318012511 - 2²⁵ = 447818284458079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447818318012591) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 307145622051 + ... + 307145623508.

Almost surely, 2^{447818318012511} is an apocalyptic number.

447818318012511 is a deficient number, since it is larger than the sum of its proper divisors (223602013384569).

447818318012511 is an frugal number, since it uses more digits than its factorization.

447818318012511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614291245577 (or 614291245562 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 54.

The spelling of 447818318012511 in words is "four hundred forty-seven trillion, eight hundred eighteen billion, three hundred eighteen million, twelve thousand, five hundred eleven".