11113551122631 has 16 divisors (see below), whose sum is σ = 15463347982080. Its totient is φ = 7086436505280.

The previous prime is 11113551122617. The next prime is 11113551122647. The reversal of 11113551122631 is 13622115531111.

It is not a de Polignac number, because 11113551122631 - 2⁹ = 11113551122119 is a prime.

It is a super-2 number, since 2×11113551122631² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11113551122592 and 11113551122601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113551122431) 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 15 ways as a sum of consecutive naturals, for example, 4232341 + ... + 6335598.

It is an arithmetic number, because the mean of its divisors is an integer number (966459248880).

Almost surely, 2^{11113551122631} is an apocalyptic number.

11113551122631 is a deficient number, since it is larger than the sum of its proper divisors (4349796859449).

11113551122631 is a wasteful number, since it uses less digits than its factorization.

11113551122631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583206.

The product of its digits is 5400, while the sum is 33.

Adding to 11113551122631 its reverse (13622115531111), we get a palindrome (24735666653742).

The spelling of 11113551122631 in words is "eleven trillion, one hundred thirteen billion, five hundred fifty-one million, one hundred twenty-two thousand, six hundred thirty-one".