211615148 has 24 divisors (see below), whose sum is σ = 375412128. Its totient is φ = 104363136.

The previous prime is 211615139. The next prime is 211615153. The reversal of 211615148 is 841516112.

211615148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211615148.

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 in 7 ways as a sum of consecutive naturals, for example, 119840 + ... + 121592.

It is an arithmetic number, because the mean of its divisors is an integer number (15642172).

Almost surely, 2^211615148 is an apocalyptic number.

It is an amenable number.

211615148 is a deficient number, since it is larger than the sum of its proper divisors (163796980).

211615148 is a wasteful number, since it uses less digits than its factorization.

211615148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2151 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 211615148 is about 14546.9979033476. The cubic root of 211615148 is about 595.9121644353.

The spelling of 211615148 in words is "two hundred eleven million, six hundred fifteen thousand, one hundred forty-eight".