11858350798229 has 16 divisors (see below), whose sum is σ = 12918878712432. Its totient is φ = 10819307317248.

The previous prime is 11858350798211. The next prime is 11858350798297. The reversal of 11858350798229 is 92289705385811.

It can be written as a sum of positive squares in 8 ways, for example, as 2735957489329 + 9122393308900 = 1654073^2 + 3020330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11858350798229 is a prime.

It is a super-2 number, since 2×11858350798229² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858350798529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5107994 + ... + 7057499.

It is an arithmetic number, because the mean of its divisors is an integer number (807429919527).

Almost surely, 2^{11858350798229} is an apocalyptic number.

It is an amenable number.

11858350798229 is a deficient number, since it is larger than the sum of its proper divisors (1060527914203).

11858350798229 is a wasteful number, since it uses less digits than its factorization.

11858350798229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166376.

The product of its (nonzero) digits is 87091200, while the sum is 68.

The spelling of 11858350798229 in words is "eleven trillion, eight hundred fifty-eight billion, three hundred fifty million, seven hundred ninety-eight thousand, two hundred twenty-nine".