10642642056331 has 4 divisors (see below), whose sum is σ = 10642650032664. Its totient is φ = 10642634080000.

The previous prime is 10642642056329. The next prime is 10642642056337. The reversal of 10642642056331 is 13365024624601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10642642056331 - 2¹ = 10642642056329 is a prime.

It is a super-2 number, since 2×10642642056331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10642642056337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447045 + ... + 4835206.

It is an arithmetic number, because the mean of its divisors is an integer number (2660662508166).

Almost surely, 2^{10642642056331} is an apocalyptic number.

10642642056331 is a deficient number, since it is larger than the sum of its proper divisors (7976333).

10642642056331 is an equidigital number, since it uses as much as digits as its factorization.

10642642056331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976332.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 10642642056331 in words is "ten trillion, six hundred forty-two billion, six hundred forty-two million, fifty-six thousand, three hundred thirty-one".