11358858217 has 24 divisors (see below), whose sum is σ = 13918551840. Its totient is φ = 9217272960.

The previous prime is 11358858191. The next prime is 11358858241. The reversal of 11358858217 is 71285885311.

11358858217 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 11358858217 - 2¹⁵ = 11358825449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (11358855217) 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 23 ways as a sum of consecutive naturals, for example, 1682673 + ... + 1689409.

It is an arithmetic number, because the mean of its divisors is an integer number (579939660).

Almost surely, 2^11358858217 is an apocalyptic number.

It is an amenable number.

11358858217 is a deficient number, since it is larger than the sum of its proper divisors (2559693623).

11358858217 is a wasteful number, since it uses less digits than its factorization.

11358858217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581 (or 8574 counting only the distinct ones).

The product of its digits is 537600, while the sum is 49.

The spelling of 11358858217 in words is "eleven billion, three hundred fifty-eight million, eight hundred fifty-eight thousand, two hundred seventeen".