11353123539999 has 32 divisors (see below), whose sum is σ = 17041113236160. Its totient is φ = 7469572045824.

The previous prime is 11353123539997. The next prime is 11353123540001. The reversal of 11353123539999 is 99993532135311.

11353123539999 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 3 + 1 + 2 + 3 + 539 + 9 + 99 = 666.

It is an interprime number because it is at equal distance from previous prime (11353123539997) and next prime (11353123540001).

It is not a de Polignac number, because 11353123539999 - 2¹ = 11353123539997 is a prime.

It is a super-2 number, since 2×11353123539999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11353123539997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7274344 + ... + 8696109.

It is an arithmetic number, because the mean of its divisors is an integer number (532534788630).

Almost surely, 2^{11353123539999} is an apocalyptic number.

11353123539999 is a deficient number, since it is larger than the sum of its proper divisors (5687989696161).

11353123539999 is a wasteful number, since it uses less digits than its factorization.

11353123539999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15970808 (or 15970802 counting only the distinct ones).

The product of its digits is 26572050, while the sum is 63.

The spelling of 11353123539999 in words is "eleven trillion, three hundred fifty-three billion, one hundred twenty-three million, five hundred thirty-nine thousand, nine hundred ninety-nine".