11936373820 has 48 divisors (see below), whose sum is σ = 28775835648. Its totient is φ = 4074108480.

The previous prime is 11936373809. The next prime is 11936373833. The reversal of 11936373820 is 2837363911.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159946 + ... + 222385.

It is an arithmetic number, because the mean of its divisors is an integer number (599496576).

Almost surely, 2^11936373820 is an apocalyptic number.

11936373820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11936373820 is an abundant number, since it is smaller than the sum of its proper divisors (16839461828).

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

11936373820 is a wasteful number, since it uses less digits than its factorization.

11936373820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382570 (or 382568 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

Subtracting from 11936373820 its reverse (2837363911), we obtain a palindrome (9099009909).

The spelling of 11936373820 in words is "eleven billion, nine hundred thirty-six million, three hundred seventy-three thousand, eight hundred twenty".