10531204111 has 4 divisors (see below), whose sum is σ = 10608074352. Its totient is φ = 10454333872.

The previous prime is 10531204067. The next prime is 10531204121. The reversal of 10531204111 is 11140213501.

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

It is a cyclic number.

It is not a de Polignac number, because 10531204111 - 2¹⁷ = 10531073039 is a prime.

It is a super-2 number, since 2×10531204111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531204121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38434915 + ... + 38435188.

It is an arithmetic number, because the mean of its divisors is an integer number (2652018588).

Almost surely, 2^10531204111 is an apocalyptic number.

10531204111 is a deficient number, since it is larger than the sum of its proper divisors (76870241).

10531204111 is an equidigital number, since it uses as much as digits as its factorization.

10531204111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76870240.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 10531204111 its reverse (11140213501), we get a palindrome (21671417612).

The spelling of 10531204111 in words is "ten billion, five hundred thirty-one million, two hundred four thousand, one hundred eleven".