42015103225 has 24 divisors (see below), whose sum is σ = 52284466080. Its totient is φ = 33492480000.

The previous prime is 42015103181. The next prime is 42015103261. The reversal of 42015103225 is 52230151024.

42015103225 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 42015103225 - 2⁹ = 42015102713 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42015103225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9437250 + ... + 9441700.

It is an arithmetic number, because the mean of its divisors is an integer number (2178519420).

Almost surely, 2^42015103225 is an apocalyptic number.

It is an amenable number.

42015103225 is a deficient number, since it is larger than the sum of its proper divisors (10269362855).

42015103225 is a wasteful number, since it uses less digits than its factorization.

42015103225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721 (or 5716 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 42015103225 its reverse (52230151024), we get a palindrome (94245254249).

The spelling of 42015103225 in words is "forty-two billion, fifteen million, one hundred three thousand, two hundred twenty-five".