11087947656469 has 2 divisors, whose sum is σ = 11087947656470. Its totient is φ = 11087947656468.

The previous prime is 11087947656439. The next prime is 11087947656503. The reversal of 11087947656469 is 96465674978011.

11087947656469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6831359733969 + 4256587922500 = 2613687^2 + 2063150^2 .

It is a cyclic number.

It is not a de Polignac number, because 11087947656469 - 2¹³ = 11087947648277 is a prime.

It is a super-2 number, since 2×11087947656469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11087947656419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5543973828234 + 5543973828235.

It is an arithmetic number, because the mean of its divisors is an integer number (5543973828235).

Almost surely, 2^{11087947656469} is an apocalyptic number.

It is an amenable number.

11087947656469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11087947656469 is an equidigital number, since it uses as much as digits as its factorization.

11087947656469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 548674560, while the sum is 73.

The spelling of 11087947656469 in words is "eleven trillion, eighty-seven billion, nine hundred forty-seven million, six hundred fifty-six thousand, four hundred sixty-nine".