47512351191 has 4 divisors (see below), whose sum is σ = 63349801592. Its totient is φ = 31674900792.

The previous prime is 47512351181. The next prime is 47512351253. The reversal of 47512351191 is 19115321574.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-47512351191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47512351181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7918725196 + ... + 7918725201.

It is an arithmetic number, because the mean of its divisors is an integer number (15837450398).

Almost surely, 2^47512351191 is an apocalyptic number.

47512351191 is a deficient number, since it is larger than the sum of its proper divisors (15837450401).

47512351191 is a wasteful number, since it uses less digits than its factorization.

47512351191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15837450400.

The product of its digits is 37800, while the sum is 39.

The spelling of 47512351191 in words is "forty-seven billion, five hundred twelve million, three hundred fifty-one thousand, one hundred ninety-one".