11900399363 has 4 divisors (see below), whose sum is σ = 12190653048. Its totient is φ = 11610145680.

The previous prime is 11900399351. The next prime is 11900399411. The reversal of 11900399363 is 36399300911.

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 11900399363 - 2⁶ = 11900399299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11900309363) 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, 145126781 + ... + 145126862.

It is an arithmetic number, because the mean of its divisors is an integer number (3047663262).

Almost surely, 2^11900399363 is an apocalyptic number.

11900399363 is a deficient number, since it is larger than the sum of its proper divisors (290253685).

11900399363 is an equidigital number, since it uses as much as digits as its factorization.

11900399363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290253684.

The product of its (nonzero) digits is 118098, while the sum is 44.

The spelling of 11900399363 in words is "eleven billion, nine hundred million, three hundred ninety-nine thousand, three hundred sixty-three".