47111156 has 6 divisors (see below), whose sum is σ = 82444530. Its totient is φ = 23555576.

The previous prime is 47111143. The next prime is 47111159. The reversal of 47111156 is 65111174.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24167056 + 22944100 = 4916^2 + 4790^2 .

It is a super-2 number, since 2×47111156² = 4438922039312672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47111159) 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 as a sum of consecutive naturals, namely, 5888891 + ... + 5888898.

It is an arithmetic number, because the mean of its divisors is an integer number (13740755).

Almost surely, 2^47111156 is an apocalyptic number.

It is an amenable number.

47111156 is a deficient number, since it is larger than the sum of its proper divisors (35333374).

47111156 is a wasteful number, since it uses less digits than its factorization.

47111156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11777793 (or 11777791 counting only the distinct ones).

The product of its digits is 840, while the sum is 26.

The square root of 47111156 is about 6863.7566973196. The cubic root of 47111156 is about 361.1668823753.

The spelling of 47111156 in words is "forty-seven million, one hundred eleven thousand, one hundred fifty-six".