11154326149 has 4 divisors (see below), whose sum is σ = 11154672000. Its totient is φ = 11153980300.

The previous prime is 11154326129. The next prime is 11154326153. The reversal of 11154326149 is 94162345111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94162345111 = 227 ⋅414812093.

It is a cyclic number.

It is not a de Polignac number, because 11154326149 - 2⁷ = 11154326021 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 (11154326129) 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, 118927 + ... + 190924.

It is an arithmetic number, because the mean of its divisors is an integer number (2788668000).

Almost surely, 2^11154326149 is an apocalyptic number.

It is an amenable number.

11154326149 is a deficient number, since it is larger than the sum of its proper divisors (345851).

11154326149 is an equidigital number, since it uses as much as digits as its factorization.

11154326149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345850.

The product of its digits is 25920, while the sum is 37.

The spelling of 11154326149 in words is "eleven billion, one hundred fifty-four million, three hundred twenty-six thousand, one hundred forty-nine".