47213097811 has 24 divisors (see below), whose sum is σ = 53196058944. Its totient is φ = 41846640000.

The previous prime is 47213097803. The next prime is 47213097847. The reversal of 47213097811 is 11879031274.

It is not a de Polignac number, because 47213097811 - 2³ = 47213097803 is a prime.

It is a super-2 number, since 2×47213097811² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47213097611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13000966 + ... + 13004596.

It is an arithmetic number, because the mean of its divisors is an integer number (2216502456).

Almost surely, 2^47213097811 is an apocalyptic number.

47213097811 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47213097811 is a deficient number, since it is larger than the sum of its proper divisors (5982961133).

47213097811 is a wasteful number, since it uses less digits than its factorization.

47213097811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 47213097811 in words is "forty-seven billion, two hundred thirteen million, ninety-seven thousand, eight hundred eleven".