42315531225 has 48 divisors (see below), whose sum is σ = 76530339840. Its totient is φ = 20460571200.

The previous prime is 42315531179. The next prime is 42315531227. The reversal of 42315531225 is 52213551324.

It is not a de Polignac number, because 42315531225 - 2⁹ = 42315530713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42315531227) 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, 232896 + ... + 372654.

It is an arithmetic number, because the mean of its divisors is an integer number (1594382080).

Almost surely, 2^42315531225 is an apocalyptic number.

It is an amenable number.

42315531225 is a deficient number, since it is larger than the sum of its proper divisors (34214808615).

42315531225 is a wasteful number, since it uses less digits than its factorization.

42315531225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140150 (or 140145 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The spelling of 42315531225 in words is "forty-two billion, three hundred fifteen million, five hundred thirty-one thousand, two hundred twenty-five".