11538171363012 has 48 divisors (see below), whose sum is σ = 31518907147392. Its totient is φ = 3216215013120.

The previous prime is 11538171362947. The next prime is 11538171363013. The reversal of 11538171363012 is 21036317183511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (11538171363013) 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, 1675108543 + ... + 1675115430.

It is an arithmetic number, because the mean of its divisors is an integer number (656643898904).

Almost surely, 2^{11538171363012} is an apocalyptic number.

11538171363012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11538171363012 is an abundant number, since it is smaller than the sum of its proper divisors (19980735784380).

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

11538171363012 is a wasteful number, since it uses less digits than its factorization.

11538171363012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350224028 (or 3350224026 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 11538171363012 in words is "eleven trillion, five hundred thirty-eight billion, one hundred seventy-one million, three hundred sixty-three thousand, twelve".