215032434111 has 12 divisors (see below), whose sum is σ = 338838987240. Its totient is φ = 130322687280.

The previous prime is 215032434091. The next prime is 215032434157. The reversal of 215032434111 is 111434230512.

215032434111 is a `hidden beast` number, since 2 + 1 + 5 + 0 + 3 + 243 + 411 + 1 = 666.

It is not a de Polignac number, because 215032434111 - 2⁶ = 215032434047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215032434191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1086022296 + ... + 1086022493.

It is an arithmetic number, because the mean of its divisors is an integer number (28236582270).

Almost surely, 2^215032434111 is an apocalyptic number.

215032434111 is a deficient number, since it is larger than the sum of its proper divisors (123806553129).

215032434111 is a wasteful number, since it uses less digits than its factorization.

215032434111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172044806 (or 2172044803 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 215032434111 its reverse (111434230512), we get a palindrome (326466664623).

The spelling of 215032434111 in words is "two hundred fifteen billion, thirty-two million, four hundred thirty-four thousand, one hundred eleven".