47111065 has 4 divisors (see below), whose sum is σ = 56533284. Its totient is φ = 37688848.

The previous prime is 47111047. The next prime is 47111081. The reversal of 47111065 is 56011174.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 27583504 = 4419^2 + 5252^2 .

It is a cyclic number.

It is not a de Polignac number, because 47111065 - 2⁵ = 47111033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4711102 + ... + 4711111.

It is an arithmetic number, because the mean of its divisors is an integer number (14133321).

Almost surely, 2^47111065 is an apocalyptic number.

It is an amenable number.

47111065 is a deficient number, since it is larger than the sum of its proper divisors (9422219).

47111065 is an equidigital number, since it uses as much as digits as its factorization.

47111065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422218.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 47111065 is about 6863.7500682936. The cubic root of 47111065 is about 361.1666498316.

It can be divided in two parts, 4711 and 1065, that added together give a square (5776 = 76²).

The spelling of 47111065 in words is "forty-seven million, one hundred eleven thousand, sixty-five".