10993643844325 has 6 divisors (see below), whose sum is σ = 13632118366994. Its totient is φ = 8794915075440.

The previous prime is 10993643844283. The next prime is 10993643844341. The reversal of 10993643844325 is 52344834639901.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22714756 + 10993621129569 = 4766^2 + 3315663^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10993643844325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219872876862 + ... + 219872876911.

Almost surely, 2^{10993643844325} is an apocalyptic number.

It is an amenable number.

10993643844325 is a deficient number, since it is larger than the sum of its proper divisors (2638474522669).

10993643844325 is an equidigital number, since it uses as much as digits as its factorization.

10993643844325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439745753783 (or 439745753778 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 61.

The spelling of 10993643844325 in words is "ten trillion, nine hundred ninety-three billion, six hundred forty-three million, eight hundred forty-four thousand, three hundred twenty-five".