11151859151 has 4 divisors (see below), whose sum is σ = 11201867712. Its totient is φ = 11101850592.

The previous prime is 11151859133. The next prime is 11151859177. The reversal of 11151859151 is 15195815111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15195815111 = 269 ⋅56490019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11151859151 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 (11151859451) 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, 25003946 + ... + 25004391.

It is an arithmetic number, because the mean of its divisors is an integer number (2800466928).

Almost surely, 2^11151859151 is an apocalyptic number.

11151859151 is a deficient number, since it is larger than the sum of its proper divisors (50008561).

11151859151 is an equidigital number, since it uses as much as digits as its factorization.

11151859151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50008560.

The product of its digits is 9000, while the sum is 38.

The spelling of 11151859151 in words is "eleven billion, one hundred fifty-one million, eight hundred fifty-nine thousand, one hundred fifty-one".