11554656445263 has 16 divisors (see below), whose sum is σ = 16451568691200. Its totient is φ = 7197561299040.

The previous prime is 11554656445247. The next prime is 11554656445307. The reversal of 11554656445263 is 36254465645511.

It is not a de Polignac number, because 11554656445263 - 2⁴ = 11554656445247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554656449263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2142128643 + ... + 2142134036.

It is an arithmetic number, because the mean of its divisors is an integer number (1028223043200).

Almost surely, 2^{11554656445263} is an apocalyptic number.

11554656445263 is a deficient number, since it is larger than the sum of its proper divisors (4896912245937).

11554656445263 is a wasteful number, since it uses less digits than its factorization.

11554656445263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284262742.

The product of its digits is 51840000, while the sum is 57.

The spelling of 11554656445263 in words is "eleven trillion, five hundred fifty-four billion, six hundred fifty-six million, four hundred forty-five thousand, two hundred sixty-three".