11087947656449 has 4 divisors (see below), whose sum is σ = 11275878972720. Its totient is φ = 10900016340180.

The previous prime is 11087947656439. The next prime is 11087947656469. The reversal of 11087947656449 is 94465674978011.

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 11087947656449 - 2²⁸ = 11087679220993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11087947656419) 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, 93965658047 + ... + 93965658164.

It is an arithmetic number, because the mean of its divisors is an integer number (2818969743180).

Almost surely, 2^{11087947656449} is an apocalyptic number.

It is an amenable number.

11087947656449 is a deficient number, since it is larger than the sum of its proper divisors (187931316271).

11087947656449 is an equidigital number, since it uses as much as digits as its factorization.

11087947656449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187931316270.

The product of its (nonzero) digits is 365783040, while the sum is 71.

The spelling of 11087947656449 in words is "eleven trillion, eighty-seven billion, nine hundred forty-seven million, six hundred fifty-six thousand, four hundred forty-nine".