47191527012 has 144 divisors (see below), whose sum is σ = 132246602880. Its totient is φ = 13049745408.

The previous prime is 47191527011. The next prime is 47191527017. The reversal of 47191527012 is 21072519174.

It is not an unprimeable number, because it can be changed into a prime (47191527011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4193289 + ... + 4204527.

Almost surely, 2^47191527012 is an apocalyptic number.

47191527012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47191527012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66123301440).

47191527012 is an abundant number, since it is smaller than the sum of its proper divisors (85055075868).

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

47191527012 is a wasteful number, since it uses less digits than its factorization.

47191527012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11490 (or 11481 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 47191527012 in words is "forty-seven billion, one hundred ninety-one million, five hundred twenty-seven thousand, twelve".