11238493539 has 96 divisors (see below), whose sum is σ = 19208562240. Its totient is φ = 5791564800.

The previous prime is 11238493529. The next prime is 11238493547. The reversal of 11238493539 is 93539483211.

It is not a de Polignac number, because 11238493539 - 2¹³ = 11238485347 is a prime.

It is a super-2 number, since 2×11238493539² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11238493529) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26694549 + ... + 26694969.

It is an arithmetic number, because the mean of its divisors is an integer number (200089190).

Almost surely, 2^11238493539 is an apocalyptic number.

11238493539 is a deficient number, since it is larger than the sum of its proper divisors (7970068701).

11238493539 is a wasteful number, since it uses less digits than its factorization.

11238493539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 734 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The spelling of 11238493539 in words is "eleven billion, two hundred thirty-eight million, four hundred ninety-three thousand, five hundred thirty-nine".