47711852991 has 12 divisors (see below), whose sum is σ = 75182313960. Its totient is φ = 28916274480.

The previous prime is 47711852953. The next prime is 47711853031. The reversal of 47711852991 is 19925811774.

47711852991 is a `hidden beast` number, since 47 + 71 + 1 + 8 + 529 + 9 + 1 = 666.

It is not a de Polignac number, because 47711852991 - 2⁷ = 47711852863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47711852191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240968856 + ... + 240969053.

It is an arithmetic number, because the mean of its divisors is an integer number (6265192830).

Almost surely, 2^47711852991 is an apocalyptic number.

47711852991 is a deficient number, since it is larger than the sum of its proper divisors (27470460969).

47711852991 is a wasteful number, since it uses less digits than its factorization.

47711852991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481937926 (or 481937923 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 54.

The spelling of 47711852991 in words is "forty-seven billion, seven hundred eleven million, eight hundred fifty-two thousand, nine hundred ninety-one".