11144692357 has 4 divisors (see below), whose sum is σ = 11219489100. Its totient is φ = 11069895616.

The previous prime is 11144692333. The next prime is 11144692393. The reversal of 11144692357 is 75329644111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1851925156 + 9292767201 = 43034^2 + 96399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11144692357 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 (11144692957) 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, 37398148 + ... + 37398445.

It is an arithmetic number, because the mean of its divisors is an integer number (2804872275).

Almost surely, 2^11144692357 is an apocalyptic number.

It is an amenable number.

11144692357 is a deficient number, since it is larger than the sum of its proper divisors (74796743).

11144692357 is an equidigital number, since it uses as much as digits as its factorization.

11144692357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74796742.

The product of its digits is 181440, while the sum is 43.

The spelling of 11144692357 in words is "eleven billion, one hundred forty-four million, six hundred ninety-two thousand, three hundred fifty-seven".