11534888217 has 16 divisors (see below), whose sum is σ = 16439971968. Its totient is φ = 7176174720.

The previous prime is 11534888213. The next prime is 11534888219. The reversal of 11534888217 is 71288843511.

11534888217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11534888217 - 2² = 11534888213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11534888213) 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 in 15 ways as a sum of consecutive naturals, for example, 2035858 + ... + 2041515.

It is an arithmetic number, because the mean of its divisors is an integer number (1027498248).

Almost surely, 2^11534888217 is an apocalyptic number.

It is an amenable number.

11534888217 is a deficient number, since it is larger than the sum of its proper divisors (4905083751).

11534888217 is a wasteful number, since it uses less digits than its factorization.

11534888217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077440.

The product of its digits is 430080, while the sum is 48.

The spelling of 11534888217 in words is "eleven billion, five hundred thirty-four million, eight hundred eighty-eight thousand, two hundred seventeen".