11146357728559 has 2 divisors, whose sum is σ = 11146357728560. Its totient is φ = 11146357728558.

The previous prime is 11146357728487. The next prime is 11146357728607. The reversal of 11146357728559 is 95582775364111.

It is a happy number.

11146357728559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11146357728559 - 2¹³ = 11146357720367 is a prime.

It is a super-2 number, since 2×11146357728559² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11146357728559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11146357728859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573178864279 + 5573178864280.

It is an arithmetic number, because the mean of its divisors is an integer number (5573178864280).

Almost surely, 2^{11146357728559} is an apocalyptic number.

11146357728559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146357728559 is an equidigital number, since it uses as much as digits as its factorization.

11146357728559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504000, while the sum is 64.

It can be divided in two parts, 11146357 and 728559, that added together give a square (11874916 = 3446²).

The spelling of 11146357728559 in words is "eleven trillion, one hundred forty-six billion, three hundred fifty-seven million, seven hundred twenty-eight thousand, five hundred fifty-nine".