11436108641 has 4 divisors (see below), whose sum is σ = 12108820932. Its totient is φ = 10763396352.

The previous prime is 11436108623. The next prime is 11436108647. The reversal of 11436108641 is 14680163411.

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 6743858641 + 4692250000 = 82121^2 + 68500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11436108641 - 2²⁶ = 11368999777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11436108647) 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, 336356120 + ... + 336356153.

It is an arithmetic number, because the mean of its divisors is an integer number (3027205233).

Almost surely, 2^11436108641 is an apocalyptic number.

It is an amenable number.

11436108641 is a deficient number, since it is larger than the sum of its proper divisors (672712291).

11436108641 is an equidigital number, since it uses as much as digits as its factorization.

11436108641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672712290.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 11436108641 in words is "eleven billion, four hundred thirty-six million, one hundred eight thousand, six hundred forty-one".