11301320091 has 16 divisors (see below), whose sum is σ = 15132241280. Its totient is φ = 7502362560.

The previous prime is 11301320083. The next prime is 11301320111. The reversal of 11301320091 is 19002310311.

It is not a de Polignac number, because 11301320091 - 2³ = 11301320083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11301320021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870375 + ... + 883263.

It is an arithmetic number, because the mean of its divisors is an integer number (945765080).

Almost surely, 2^11301320091 is an apocalyptic number.

11301320091 is a deficient number, since it is larger than the sum of its proper divisors (3830921189).

11301320091 is a wasteful number, since it uses less digits than its factorization.

11301320091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106.

The product of its (nonzero) digits is 162, while the sum is 21.

The spelling of 11301320091 in words is "eleven billion, three hundred one million, three hundred twenty thousand, ninety-one".