11151202423 has 4 divisors (see below), whose sum is σ = 11168545528. Its totient is φ = 11133859320.

The previous prime is 11151202397. The next prime is 11151202451. The reversal of 11151202423 is 32420215111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11151202423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11151202394 and 11151202403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11151202453) 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, 8670588 + ... + 8671873.

It is an arithmetic number, because the mean of its divisors is an integer number (2792136382).

Almost surely, 2^11151202423 is an apocalyptic number.

11151202423 is a deficient number, since it is larger than the sum of its proper divisors (17343105).

11151202423 is an equidigital number, since it uses as much as digits as its factorization.

11151202423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343104.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11151202423 its reverse (32420215111), we get a palindrome (43571417534).

The spelling of 11151202423 in words is "eleven billion, one hundred fifty-one million, two hundred two thousand, four hundred twenty-three".