15225240305 has 16 divisors (see below), whose sum is σ = 20307288384. Its totient is φ = 10863977280.

The previous prime is 15225240293. The next prime is 15225240313. The reversal of 15225240305 is 50304252251.

It is not a de Polignac number, because 15225240305 - 2⁸ = 15225240049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608619 + ... + 2614448.

It is an arithmetic number, because the mean of its divisors is an integer number (1269205524).

Almost surely, 2^15225240305 is an apocalyptic number.

It is an amenable number.

15225240305 is a deficient number, since it is larger than the sum of its proper divisors (5082048079).

15225240305 is a wasteful number, since it uses less digits than its factorization.

15225240305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223136.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 15225240305 its reverse (50304252251), we get a palindrome (65529492556).

The spelling of 15225240305 in words is "fifteen billion, two hundred twenty-five million, two hundred forty thousand, three hundred five".