11199331127 has 4 divisors (see below), whose sum is σ = 11437614816. Its totient is φ = 10961047440.

The previous prime is 11199331103. The next prime is 11199331147. The reversal of 11199331127 is 72113399111.

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 11199331127 - 2¹⁸ = 11199068983 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 (11199331147) 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, 119141774 + ... + 119141867.

It is an arithmetic number, because the mean of its divisors is an integer number (2859403704).

Almost surely, 2^11199331127 is an apocalyptic number.

11199331127 is a deficient number, since it is larger than the sum of its proper divisors (238283689).

11199331127 is an equidigital number, since it uses as much as digits as its factorization.

11199331127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238283688.

The product of its digits is 10206, while the sum is 38.

The spelling of 11199331127 in words is "eleven billion, one hundred ninety-nine million, three hundred thirty-one thousand, one hundred twenty-seven".