15023206455225 has 48 divisors (see below), whose sum is σ = 24965259264000. Its totient is φ = 7971450822720.

The previous prime is 15023206455221. The next prime is 15023206455247. The reversal of 15023206455225 is 52255460232051.

It is not a de Polignac number, because 15023206455225 - 2² = 15023206455221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15023206455221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217318216 + ... + 217387334.

It is an arithmetic number, because the mean of its divisors is an integer number (520109568000).

Almost surely, 2^{15023206455225} is an apocalyptic number.

15023206455225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15023206455225 is a deficient number, since it is larger than the sum of its proper divisors (9942052808775).

15023206455225 is a wasteful number, since it uses less digits than its factorization.

15023206455225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83894 (or 83889 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 15023206455225 its reverse (52255460232051), we get a palindrome (67278666687276).

The spelling of 15023206455225 in words is "fifteen trillion, twenty-three billion, two hundred six million, four hundred fifty-five thousand, two hundred twenty-five".