15005140225 has 12 divisors (see below), whose sum is σ = 18720528496. Its totient is φ = 11930464080.

The previous prime is 15005140217. The next prime is 15005140229. The reversal of 15005140225 is 52204150051.

It is not a de Polignac number, because 15005140225 - 2³ = 15005140217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15005140225.

It is not an unprimeable number, because it can be changed into a prime (15005140229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1837047 + ... + 1845196.

Almost surely, 2^15005140225 is an apocalyptic number.

It is an amenable number.

15005140225 is a deficient number, since it is larger than the sum of its proper divisors (3715388271).

15005140225 is a wasteful number, since it uses less digits than its factorization.

15005140225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682416 (or 3682411 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15005140225 its reverse (52204150051), we get a palindrome (67209290276).

The spelling of 15005140225 in words is "fifteen billion, five million, one hundred forty thousand, two hundred twenty-five".