42131530611 has 6 divisors (see below), whose sum is σ = 60856655340. Its totient is φ = 28087687068.

The previous prime is 42131530583. The next prime is 42131530619. The reversal of 42131530611 is 11603513124.

It is a happy number.

42131530611 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 15 + 30 + 611 = 666.

It is not a de Polignac number, because 42131530611 - 2²³ = 42123142003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42131530619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2340640581 + ... + 2340640598.

It is an arithmetic number, because the mean of its divisors is an integer number (10142775890).

Almost surely, 2^42131530611 is an apocalyptic number.

42131530611 is a deficient number, since it is larger than the sum of its proper divisors (18725124729).

42131530611 is a wasteful number, since it uses less digits than its factorization.

42131530611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681281185 (or 4681281182 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 42131530611 in words is "forty-two billion, one hundred thirty-one million, five hundred thirty thousand, six hundred eleven".