15105500140225 has 12 divisors (see below), whose sum is σ = 20433622008240. Its totient is φ = 10985818283600.

The previous prime is 15105500140151. The next prime is 15105500140259. The reversal of 15105500140225 is 52204100550151.

15105500140225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15105500140225 - 2¹¹ = 15105500138177 is a prime.

It is a super-2 number, since 2×15105500140225² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27464545435 + ... + 27464545984.

It is an arithmetic number, because the mean of its divisors is an integer number (1702801834020).

Almost surely, 2^{15105500140225} is an apocalyptic number.

It is an amenable number.

15105500140225 is a deficient number, since it is larger than the sum of its proper divisors (5328121868015).

15105500140225 is a wasteful number, since it uses less digits than its factorization.

15105500140225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54929091440 (or 54929091435 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 15105500140225 its reverse (52204100550151), we get a palindrome (67309600690376).

The spelling of 15105500140225 in words is "fifteen trillion, one hundred five billion, five hundred million, one hundred forty thousand, two hundred twenty-five".