47115118 has 4 divisors (see below), whose sum is σ = 70672680. Its totient is φ = 23557558.

The previous prime is 47115091. The next prime is 47115121. The reversal of 47115118 is 81151174.

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

It is a congruent number.

It is an unprimeable number.

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, 11778778 + ... + 11778781.

It is an arithmetic number, because the mean of its divisors is an integer number (17668170).

Almost surely, 2^47115118 is an apocalyptic number.

47115118 is a deficient number, since it is larger than the sum of its proper divisors (23557562).

47115118 is a wasteful number, since it uses less digits than its factorization.

47115118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23557561.

The product of its digits is 1120, while the sum is 28.

The square root of 47115118 is about 6864.0453087083. The cubic root of 47115118 is about 361.1770066799.

The spelling of 47115118 in words is "forty-seven million, one hundred fifteen thousand, one hundred eighteen".