11937273936485 has 4 divisors (see below), whose sum is σ = 14324728723788. Its totient is φ = 9549819149184.

The previous prime is 11937273936473. The next prime is 11937273936487. The reversal of 11937273936485 is 58463937273911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2764910491204 + 9172363445281 = 1662802^2 + 3028591^2 .

It is a cyclic number.

It is not a de Polignac number, because 11937273936485 - 2¹⁸ = 11937273674341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11937273936487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193727393644 + ... + 1193727393653.

It is an arithmetic number, because the mean of its divisors is an integer number (3581182180947).

Almost surely, 2^{11937273936485} is an apocalyptic number.

It is an amenable number.

11937273936485 is a deficient number, since it is larger than the sum of its proper divisors (2387454787303).

11937273936485 is an equidigital number, since it uses as much as digits as its factorization.

11937273936485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387454787302.

The product of its digits is 205752960, while the sum is 68.

The spelling of 11937273936485 in words is "eleven trillion, nine hundred thirty-seven billion, two hundred seventy-three million, nine hundred thirty-six thousand, four hundred eighty-five".