211115152 has 10 divisors (see below), whose sum is σ = 409035638. Its totient is φ = 105557568.

The previous prime is 211115143. The next prime is 211115159. The reversal of 211115152 is 251511112.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 104530176 = 10324^2 + 10224^2 .

It is not an unprimeable number, because it can be changed into a prime (211115159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6597333 + ... + 6597364.

Almost surely, 2^211115152 is an apocalyptic number.

It is an amenable number.

211115152 is a deficient number, since it is larger than the sum of its proper divisors (197920486).

211115152 is a wasteful number, since it uses less digits than its factorization.

211115152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194705 (or 13194699 counting only the distinct ones).

The product of its digits is 100, while the sum is 19.

The square root of 211115152 is about 14529.8022009937. The cubic root of 211115152 is about 595.4424616527.

Adding to 211115152 its reverse (251511112), we get a palindrome (462626264).

The spelling of 211115152 in words is "two hundred eleven million, one hundred fifteen thousand, one hundred fifty-two".