11971853153308 has 24 divisors (see below), whose sum is σ = 21046090301712. Its totient is φ = 5958692148864.

The previous prime is 11971853153291. The next prime is 11971853153413. The reversal of 11971853153308 is 80335135817911.

11971853153308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5327560 + ... + 7233712.

It is an arithmetic number, because the mean of its divisors is an integer number (876920429238).

Almost surely, 2^{11971853153308} is an apocalyptic number.

It is an amenable number.

11971853153308 is a deficient number, since it is larger than the sum of its proper divisors (9074237148404).

11971853153308 is a wasteful number, since it uses less digits than its factorization.

11971853153308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913301 (or 1913299 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 11971853153308 in words is "eleven trillion, nine hundred seventy-one billion, eight hundred fifty-three million, one hundred fifty-three thousand, three hundred eight".