15225225261 has 8 divisors (see below), whose sum is σ = 20732221824. Its totient is φ = 9934189440.

The previous prime is 15225225229. The next prime is 15225225271. The reversal of 15225225261 is 16252252251.

It is a happy number.

15225225261 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 not a de Polignac number, because 15225225261 - 2⁵ = 15225225229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225225271) 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, 53990020 + ... + 53990301.

It is an arithmetic number, because the mean of its divisors is an integer number (2591527728).

Almost surely, 2^15225225261 is an apocalyptic number.

It is an amenable number.

15225225261 is a deficient number, since it is larger than the sum of its proper divisors (5506996563).

15225225261 is a wasteful number, since it uses less digits than its factorization.

15225225261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107980371.

The product of its digits is 24000, while the sum is 33.

The spelling of 15225225261 in words is "fifteen billion, two hundred twenty-five million, two hundred twenty-five thousand, two hundred sixty-one".