225172505012615 has 8 divisors (see below), whose sum is σ = 270207642894000. Its totient is φ = 180137579424192.

The previous prime is 225172505012597. The next prime is 225172505012617. The reversal of 225172505012615 is 516210505271522.

225172505012615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225172505012615 - 2³² = 225168210045319 is a prime.

It is a super-2 number, since 2×225172505012615² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225172505012617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50730365 + ... + 54990134.

It is an arithmetic number, because the mean of its divisors is an integer number (33775955361750).

Almost surely, 2^{225172505012615} is an apocalyptic number.

225172505012615 is a deficient number, since it is larger than the sum of its proper divisors (45035137881385).

225172505012615 is a wasteful number, since it uses less digits than its factorization.

225172505012615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106146481.

The product of its (nonzero) digits is 420000, while the sum is 44.

The spelling of 225172505012615 in words is "two hundred twenty-five trillion, one hundred seventy-two billion, five hundred five million, twelve thousand, six hundred fifteen".