10643253562101 has 4 divisors (see below), whose sum is σ = 14191004749472. Its totient is φ = 7095502374732.

The previous prime is 10643253562061. The next prime is 10643253562111. The reversal of 10643253562101 is 10126535234601.

It is a happy number.

10643253562101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10643253562101 - 2¹⁸ = 10643253299957 is a prime.

It is a super-2 number, since 2×10643253562101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10643253562101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643253562111) 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, 1773875593681 + ... + 1773875593686.

It is an arithmetic number, because the mean of its divisors is an integer number (3547751187368).

Almost surely, 2^{10643253562101} is an apocalyptic number.

It is an amenable number.

10643253562101 is a deficient number, since it is larger than the sum of its proper divisors (3547751187371).

10643253562101 is an equidigital number, since it uses as much as digits as its factorization.

10643253562101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547751187370.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 10643253562101 its reverse (10126535234601), we get a palindrome (20769788796702).

The spelling of 10643253562101 in words is "ten trillion, six hundred forty-three billion, two hundred fifty-three million, five hundred sixty-two thousand, one hundred one".