47521136812 has 12 divisors (see below), whose sum is σ = 83207421136. Its totient is φ = 23747587920.

The previous prime is 47521136791. The next prime is 47521136837. The reversal of 47521136812 is 21863112574.

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, 3236883 + ... + 3251530.

Almost surely, 2^47521136812 is an apocalyptic number.

It is an amenable number.

47521136812 is a deficient number, since it is larger than the sum of its proper divisors (35686284324).

47521136812 is a wasteful number, since it uses less digits than its factorization.

47521136812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490248 (or 6490246 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The spelling of 47521136812 in words is "forty-seven billion, five hundred twenty-one million, one hundred thirty-six thousand, eight hundred twelve".