11446204661 has 4 divisors (see below), whose sum is σ = 11446422432. Its totient is φ = 11445986892.

The previous prime is 11446204657. The next prime is 11446204673. The reversal of 11446204661 is 16640264411.

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 11446204661 - 2² = 11446204657 is a prime.

It is a super-2 number, since 2×11446204661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11446204621) 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, 24080 + ... + 153206.

It is an arithmetic number, because the mean of its divisors is an integer number (2861605608).

Almost surely, 2^11446204661 is an apocalyptic number.

It is an amenable number.

11446204661 is a deficient number, since it is larger than the sum of its proper divisors (217771).

11446204661 is an equidigital number, since it uses as much as digits as its factorization.

11446204661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217770.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 11446204661 in words is "eleven billion, four hundred forty-six million, two hundred four thousand, six hundred sixty-one".