42521130206 has 16 divisors (see below), whose sum is σ = 65175542784. Its totient is φ = 20796460344.

The previous prime is 42521130187. The next prime is 42521130227. The reversal of 42521130206 is 60203112524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40751 + ... + 294453.

It is an arithmetic number, because the mean of its divisors is an integer number (4073471424).

Almost surely, 2^42521130206 is an apocalyptic number.

42521130206 is a deficient number, since it is larger than the sum of its proper divisors (22654412578).

42521130206 is a wasteful number, since it uses less digits than its factorization.

42521130206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255535.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 42521130206 in words is "forty-two billion, five hundred twenty-one million, one hundred thirty thousand, two hundred six".