10505200332197 has 4 divisors (see below), whose sum is σ = 10508014480140. Its totient is φ = 10502386184256.

The previous prime is 10505200332181. The next prime is 10505200332233. The reversal of 10505200332197 is 79123300250501.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9089495384641 + 1415704947556 = 3014879^2 + 1189834^2 .

It is a cyclic number.

It is not a de Polignac number, because 10505200332197 - 2⁴ = 10505200332181 is a prime.

It is a super-2 number, since 2×10505200332197² (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 10505200332197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505200332157) 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, 1407068372 + ... + 1407075837.

It is an arithmetic number, because the mean of its divisors is an integer number (2627003620035).

Almost surely, 2^{10505200332197} is an apocalyptic number.

It is an amenable number.

10505200332197 is a deficient number, since it is larger than the sum of its proper divisors (2814147943).

10505200332197 is an equidigital number, since it uses as much as digits as its factorization.

10505200332197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814147942.

The product of its (nonzero) digits is 56700, while the sum is 38.

Adding to 10505200332197 its reverse (79123300250501), we get a palindrome (89628500582698).

The spelling of 10505200332197 in words is "ten trillion, five hundred five billion, two hundred million, three hundred thirty-two thousand, one hundred ninety-seven".