11538211806348 has 24 divisors (see below), whose sum is σ = 27378807677760. Its totient is φ = 3780882964560.

The previous prime is 11538211806301. The next prime is 11538211806361. The reversal of 11538211806348 is 84360811283511.

It is a self number, because there is not a number n which added to its sum of digits gives 11538211806348.

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, 8148453958 + ... + 8148455373.

It is an arithmetic number, because the mean of its divisors is an integer number (1140783653240).

Almost surely, 2^{11538211806348} is an apocalyptic number.

It is an amenable number.

11538211806348 is an abundant number, since it is smaller than the sum of its proper divisors (15840595871412).

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

11538211806348 is a wasteful number, since it uses less digits than its factorization.

11538211806348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16296909397 (or 16296909395 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 11538211806348 in words is "eleven trillion, five hundred thirty-eight billion, two hundred eleven million, eight hundred six thousand, three hundred forty-eight".