261124113303 has 24 divisors (see below), whose sum is σ = 403030227600. Its totient is φ = 162339427584.

The previous prime is 261124113287. The next prime is 261124113343. The reversal of 261124113303 is 303311421162.

It is a happy number.

261124113303 is a `hidden beast` number, since 2 + 611 + 2 + 4 + 1 + 13 + 30 + 3 = 666.

It is not a de Polignac number, because 261124113303 - 2⁴ = 261124113287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261124113343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7812193 + ... + 7845546.

It is an arithmetic number, because the mean of its divisors is an integer number (16792926150).

Almost surely, 2^261124113303 is an apocalyptic number.

261124113303 is a deficient number, since it is larger than the sum of its proper divisors (141906114297).

261124113303 is a wasteful number, since it uses less digits than its factorization.

261124113303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15657871 (or 15657868 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 261124113303 its reverse (303311421162), we get a palindrome (564435534465).

The spelling of 261124113303 in words is "two hundred sixty-one billion, one hundred twenty-four million, one hundred thirteen thousand, three hundred three".