11124354965 has 4 divisors (see below), whose sum is σ = 13349225964. Its totient is φ = 8899483968.

The previous prime is 11124354949. The next prime is 11124355013. The reversal of 11124354965 is 56945342111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7723948996 + 3400405969 = 87886^2 + 58313^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124354965 - 2⁴ = 11124354949 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 3 ways as a sum of consecutive naturals, for example, 1112435492 + ... + 1112435501.

It is an arithmetic number, because the mean of its divisors is an integer number (3337306491).

Almost surely, 2^11124354965 is an apocalyptic number.

It is an amenable number.

11124354965 is a deficient number, since it is larger than the sum of its proper divisors (2224870999).

11124354965 is an equidigital number, since it uses as much as digits as its factorization.

11124354965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224870998.

The product of its digits is 129600, while the sum is 41.

The spelling of 11124354965 in words is "eleven billion, one hundred twenty-four million, three hundred fifty-four thousand, nine hundred sixty-five".