10646611776361 has 4 divisors (see below), whose sum is σ = 11614485574224. Its totient is φ = 9678737978500.

The previous prime is 10646611776349. The next prime is 10646611776379. The reversal of 10646611776361 is 16367711664601.

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 a cyclic number.

It is not a de Polignac number, because 10646611776361 - 2⁷ = 10646611776233 is a prime.

It is a super-2 number, since 2×10646611776361² (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 (10646611776961) 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, 483936898915 + ... + 483936898936.

It is an arithmetic number, because the mean of its divisors is an integer number (2903621393556).

Almost surely, 2^{10646611776361} is an apocalyptic number.

10646611776361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10646611776361 is a deficient number, since it is larger than the sum of its proper divisors (967873797863).

10646611776361 is an equidigital number, since it uses as much as digits as its factorization.

10646611776361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967873797862.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 10646611776361 in words is "ten trillion, six hundred forty-six billion, six hundred eleven million, seven hundred seventy-six thousand, three hundred sixty-one".