11138498507836 has 24 divisors (see below), whose sum is σ = 22493278545920. Its totient is φ = 4727296175472.

The previous prime is 11138498507827. The next prime is 11138498507869. The reversal of 11138498507836 is 63870589483111.

It is a super-2 number, since 2×11138498507836² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931082156 + ... + 1931087923.

Almost surely, 2^{11138498507836} is an apocalyptic number.

It is an amenable number.

11138498507836 is an abundant number, since it is smaller than the sum of its proper divisors (11354780038084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11138498507836 is a wasteful number, since it uses less digits than its factorization.

11138498507836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862170193 (or 3862170191 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 11138498507836 in words is "eleven trillion, one hundred thirty-eight billion, four hundred ninety-eight million, five hundred seven thousand, eight hundred thirty-six".