15225040412 has 12 divisors (see below), whose sum is σ = 26645508120. Its totient is φ = 7612038096.

The previous prime is 15225040367. The next prime is 15225040427. The reversal of 15225040412 is 21404052251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44087 + ... + 179982.

It is an arithmetic number, because the mean of its divisors is an integer number (2220459010).

Almost surely, 2^15225040412 is an apocalyptic number.

It is an amenable number.

15225040412 is a deficient number, since it is larger than the sum of its proper divisors (11420467708).

15225040412 is a wasteful number, since it uses less digits than its factorization.

15225040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241060 (or 241058 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 15225040412 its reverse (21404052251), we get a palindrome (36629092663).

The spelling of 15225040412 in words is "fifteen billion, two hundred twenty-five million, forty thousand, four hundred twelve".