10641345431026 has 4 divisors (see below), whose sum is σ = 15962018146542. Its totient is φ = 5320672715512.

The previous prime is 10641345430999. The next prime is 10641345431029. The reversal of 10641345431026 is 62013454314601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6050374982001 + 4590970449025 = 2459751^2 + 2142655^2 .

It is a super-2 number, since 2×10641345431026² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10641345431026.

It is not an unprimeable number, because it can be changed into a prime (10641345431029) 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 as a sum of consecutive naturals, namely, 2660336357755 + ... + 2660336357758.

Almost surely, 2^{10641345431026} is an apocalyptic number.

10641345431026 is a deficient number, since it is larger than the sum of its proper divisors (5320672715516).

10641345431026 is an equidigital number, since it uses as much as digits as its factorization.

10641345431026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320672715515.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 10641345431026 its reverse (62013454314601), we get a palindrome (72654799745627).

The spelling of 10641345431026 in words is "ten trillion, six hundred forty-one billion, three hundred forty-five million, four hundred thirty-one thousand, twenty-six".