11056454412455 has 32 divisors (see below), whose sum is σ = 13449422837760. Its totient is φ = 8724279882240.

The previous prime is 11056454412431. The next prime is 11056454412461. The reversal of 11056454412455 is 55421445465011.

It is a de Polignac number, because none of the positive numbers 2^k-11056454412455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2914961039 + ... + 2914964831.

It is an arithmetic number, because the mean of its divisors is an integer number (420294463680).

Almost surely, 2^{11056454412455} is an apocalyptic number.

11056454412455 is a deficient number, since it is larger than the sum of its proper divisors (2392968425305).

11056454412455 is a wasteful number, since it uses less digits than its factorization.

11056454412455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471.

The product of its (nonzero) digits is 1920000, while the sum is 47.

Adding to 11056454412455 its reverse (55421445465011), we get a palindrome (66477899877466).

The spelling of 11056454412455 in words is "eleven trillion, fifty-six billion, four hundred fifty-four million, four hundred twelve thousand, four hundred fifty-five".