11142201252757 has 4 divisors (see below), whose sum is σ = 11142208018540. Its totient is φ = 11142194486976.

The previous prime is 11142201252719. The next prime is 11142201252761. The reversal of 11142201252757 is 75725210224111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1616391847876 + 9525809404881 = 1271374^2 + 3086391^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142201252757 - 2³⁵ = 11107841514389 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 (11142201252797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867469 + ... + 4799677.

It is an arithmetic number, because the mean of its divisors is an integer number (2785552004635).

Almost surely, 2^{11142201252757} is an apocalyptic number.

It is an amenable number.

11142201252757 is a deficient number, since it is larger than the sum of its proper divisors (6765783).

11142201252757 is an equidigital number, since it uses as much as digits as its factorization.

11142201252757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765782.

The product of its (nonzero) digits is 78400, while the sum is 40.

Adding to 11142201252757 its reverse (75725210224111), we get a palindrome (86867411476868).

The spelling of 11142201252757 in words is "eleven trillion, one hundred forty-two billion, two hundred one million, two hundred fifty-two thousand, seven hundred fifty-seven".