11453320361 has 4 divisors (see below), whose sum is σ = 13089508992. Its totient is φ = 9817131732.

The previous prime is 11453320337. The next prime is 11453320399. The reversal of 11453320361 is 16302335411.

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 11453320361 - 2¹⁰ = 11453319337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11453320301) 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, 818094305 + ... + 818094318.

It is an arithmetic number, because the mean of its divisors is an integer number (3272377248).

Almost surely, 2^11453320361 is an apocalyptic number.

It is an amenable number.

11453320361 is a deficient number, since it is larger than the sum of its proper divisors (1636188631).

11453320361 is an equidigital number, since it uses as much as digits as its factorization.

11453320361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636188630.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 11453320361 its reverse (16302335411), we get a palindrome (27755655772).

The spelling of 11453320361 in words is "eleven billion, four hundred fifty-three million, three hundred twenty thousand, three hundred sixty-one".