15225001240 has 32 divisors (see below), whose sum is σ = 35182100880. Its totient is φ = 5925405312.

The previous prime is 15225001193. The next prime is 15225001241. The reversal of 15225001240 is 4210052251.

15225001240 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 not an unprimeable number, because it can be changed into a prime (15225001241) 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, 5142102 + ... + 5145061.

Almost surely, 2^15225001240 is an apocalyptic number.

15225001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15225001240 is an abundant number, since it is smaller than the sum of its proper divisors (19957099640).

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

15225001240 is a wasteful number, since it uses less digits than its factorization.

15225001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287211 (or 10287207 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 15225001240 its reverse (4210052251), we get a palindrome (19435053491).

The spelling of 15225001240 in words is "fifteen billion, two hundred twenty-five million, one thousand, two hundred forty".