642060422511 has 8 divisors (see below), whose sum is σ = 861332592000. Its totient is φ = 425414267352.

The previous prime is 642060422477. The next prime is 642060422513. The reversal of 642060422511 is 115224060246.

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

It is not a de Polignac number, because 642060422511 - 2⁷ = 642060422383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642060422513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656503011 + ... + 656503988.

It is an arithmetic number, because the mean of its divisors is an integer number (107666574000).

Almost surely, 2^642060422511 is an apocalyptic number.

642060422511 is a deficient number, since it is larger than the sum of its proper divisors (219272169489).

642060422511 is a wasteful number, since it uses less digits than its factorization.

642060422511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313007165.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 642060422511 its reverse (115224060246), we get a palindrome (757284482757).

The spelling of 642060422511 in words is "six hundred forty-two billion, sixty million, four hundred twenty-two thousand, five hundred eleven".