11153247187 has 4 divisors (see below), whose sum is σ = 11224287136. Its totient is φ = 11082207240.

The previous prime is 11153247173. The next prime is 11153247197. The reversal of 11153247187 is 78174235111.

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 11153247187 - 2⁷ = 11153247059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11153247197) 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, 35519739 + ... + 35520052.

It is an arithmetic number, because the mean of its divisors is an integer number (2806071784).

Almost surely, 2^11153247187 is an apocalyptic number.

11153247187 is a deficient number, since it is larger than the sum of its proper divisors (71039949).

11153247187 is an equidigital number, since it uses as much as digits as its factorization.

11153247187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71039948.

The product of its digits is 47040, while the sum is 40.

The spelling of 11153247187 in words is "eleven billion, one hundred fifty-three million, two hundred forty-seven thousand, one hundred eighty-seven".