11445321107 has 4 divisors (see below), whose sum is σ = 12485804856. Its totient is φ = 10404837360.

The previous prime is 11445321101. The next prime is 11445321109. The reversal of 11445321107 is 70112354411.

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

It is a cyclic number.

It is not a de Polignac number, because 11445321107 - 2⁴ = 11445321091 is a prime.

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 11445321107.

It is not an unprimeable number, because it can be changed into a prime (11445321101) 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, 520241858 + ... + 520241879.

It is an arithmetic number, because the mean of its divisors is an integer number (3121451214).

Almost surely, 2^11445321107 is an apocalyptic number.

11445321107 is a deficient number, since it is larger than the sum of its proper divisors (1040483749).

11445321107 is a wasteful number, since it uses less digits than its factorization.

11445321107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040483748.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 11445321107 its reverse (70112354411), we get a palindrome (81557675518).

The spelling of 11445321107 in words is "eleven billion, four hundred forty-five million, three hundred twenty-one thousand, one hundred seven".