10111142533 has 4 divisors (see below), whose sum is σ = 10179002700. Its totient is φ = 10043282368.

The previous prime is 10111142501. The next prime is 10111142537. The reversal of 10111142533 is 33524111101.

It is a happy number.

10111142533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3338181729 + 6772960804 = 57777^2 + 82298^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111142533 - 2⁵ = 10111142501 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 (10111142537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33929860 + ... + 33930157.

It is an arithmetic number, because the mean of its divisors is an integer number (2544750675).

Almost surely, 2^10111142533 is an apocalyptic number.

It is an amenable number.

10111142533 is a deficient number, since it is larger than the sum of its proper divisors (67860167).

10111142533 is an equidigital number, since it uses as much as digits as its factorization.

10111142533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67860166.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10111142533 its reverse (33524111101), we get a palindrome (43635253634).

The spelling of 10111142533 in words is "ten billion, one hundred eleven million, one hundred forty-two thousand, five hundred thirty-three".