47113911 has 24 divisors (see below), whose sum is σ = 73841040. Its totient is φ = 28774656.

The previous prime is 47113909. The next prime is 47113933. The reversal of 47113911 is 11931174.

It is not a de Polignac number, because 47113911 - 2¹ = 47113909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47113991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14815 + ... + 17711.

It is an arithmetic number, because the mean of its divisors is an integer number (3076710).

Almost surely, 2^47113911 is an apocalyptic number.

47113911 is a deficient number, since it is larger than the sum of its proper divisors (26727129).

47113911 is a wasteful number, since it uses less digits than its factorization.

47113911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3052 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 47113911 is about 6863.9573862314. The cubic root of 47113911 is about 361.1739224302.

The spelling of 47113911 in words is "forty-seven million, one hundred thirteen thousand, nine hundred eleven".