261125248422 has 32 divisors (see below), whose sum is σ = 524983104000. Its totient is φ = 86586496128.

The previous prime is 261125248411. The next prime is 261125248463. The reversal of 261125248422 is 224842521162.

261125248422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 6579454 + ... + 6619022.

It is an arithmetic number, because the mean of its divisors is an integer number (16405722000).

Almost surely, 2^261125248422 is an apocalyptic number.

261125248422 is an abundant number, since it is smaller than the sum of its proper divisors (263857855578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261125248422 is a wasteful number, since it uses less digits than its factorization.

261125248422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45300.

The product of its digits is 122880, while the sum is 39.

Adding to 261125248422 its reverse (224842521162), we get a palindrome (485967769584).

The spelling of 261125248422 in words is "two hundred sixty-one billion, one hundred twenty-five million, two hundred forty-eight thousand, four hundred twenty-two".