11919573648373 has 4 divisors (see below), whose sum is σ = 11923231084480. Its totient is φ = 11915916212268.

The previous prime is 11919573648331. The next prime is 11919573648497. The reversal of 11919573648373 is 37384637591911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11919573648373 - 2¹⁷ = 11919573517301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11919573648299 and 11919573648308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11919573645373) 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, 1828713165 + ... + 1828719682.

It is an arithmetic number, because the mean of its divisors is an integer number (2980807771120).

Almost surely, 2^{11919573648373} is an apocalyptic number.

It is an amenable number.

11919573648373 is a deficient number, since it is larger than the sum of its proper divisors (3657436107).

11919573648373 is an equidigital number, since it uses as much as digits as its factorization.

11919573648373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657436106.

The product of its digits is 102876480, while the sum is 67.

The spelling of 11919573648373 in words is "eleven trillion, nine hundred nineteen billion, five hundred seventy-three million, six hundred forty-eight thousand, three hundred seventy-three".