11146332397 has 4 divisors (see below), whose sum is σ = 11151449920. Its totient is φ = 11141214876.

The previous prime is 11146332361. The next prime is 11146332401. The reversal of 11146332397 is 79323364111.

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 11146332397 - 2⁷ = 11146332269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11146332347) 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, 2555493 + ... + 2559850.

It is an arithmetic number, because the mean of its divisors is an integer number (2787862480).

Almost surely, 2^11146332397 is an apocalyptic number.

It is an amenable number.

11146332397 is a deficient number, since it is larger than the sum of its proper divisors (5117523).

11146332397 is an equidigital number, since it uses as much as digits as its factorization.

11146332397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117522.

The product of its digits is 81648, while the sum is 40.

The spelling of 11146332397 in words is "eleven billion, one hundred forty-six million, three hundred thirty-two thousand, three hundred ninety-seven".