11864121367 has 4 divisors (see below), whose sum is σ = 13558995856. Its totient is φ = 10169246880.

The previous prime is 11864121331. The next prime is 11864121397. The reversal of 11864121367 is 76312146811.

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

It is a cyclic number.

It is not a de Polignac number, because 11864121367 - 2¹⁹ = 11863597079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864121397) 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, 847437234 + ... + 847437247.

It is an arithmetic number, because the mean of its divisors is an integer number (3389748964).

Almost surely, 2^11864121367 is an apocalyptic number.

11864121367 is a deficient number, since it is larger than the sum of its proper divisors (1694874489).

11864121367 is an equidigital number, since it uses as much as digits as its factorization.

11864121367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694874488.

The product of its digits is 48384, while the sum is 40.

The spelling of 11864121367 in words is "eleven billion, eight hundred sixty-four million, one hundred twenty-one thousand, three hundred sixty-seven".