11141112531 has 8 divisors (see below), whose sum is σ = 15500678400. Its totient is φ = 7104477512.

The previous prime is 11141112527. The next prime is 11141112533. The reversal of 11141112531 is 13521114111.

11141112531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11141112531 - 2² = 11141112527 is a prime.

It is a super-2 number, since 2×11141112531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11141112498 and 11141112507.

It is not an unprimeable number, because it can be changed into a prime (11141112533) 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 7 ways as a sum of consecutive naturals, for example, 80732631 + ... + 80732768.

It is an arithmetic number, because the mean of its divisors is an integer number (1937584800).

Almost surely, 2^11141112531 is an apocalyptic number.

11141112531 is a deficient number, since it is larger than the sum of its proper divisors (4359565869).

11141112531 is a wasteful number, since it uses less digits than its factorization.

11141112531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161465425.

The product of its digits is 120, while the sum is 21.

Adding to 11141112531 its reverse (13521114111), we get a palindrome (24662226642).

The spelling of 11141112531 in words is "eleven billion, one hundred forty-one million, one hundred twelve thousand, five hundred thirty-one".