11563054772281 has 4 divisors (see below), whose sum is σ = 11563101284992. Its totient is φ = 11563008259572.

The previous prime is 11563054772263. The next prime is 11563054772359. The reversal of 11563054772281 is 18227745036511.

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 11563054772281 - 2⁷ = 11563054772153 is a prime.

It is a super-2 number, since 2×11563054772281² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11563054779281) 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, 22881441 + ... + 23381326.

It is an arithmetic number, because the mean of its divisors is an integer number (2890775321248).

Almost surely, 2^{11563054772281} is an apocalyptic number.

It is an amenable number.

11563054772281 is a deficient number, since it is larger than the sum of its proper divisors (46512711).

11563054772281 is an equidigital number, since it uses as much as digits as its factorization.

11563054772281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46512710.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 11563054772281 in words is "eleven trillion, five hundred sixty-three billion, fifty-four million, seven hundred seventy-two thousand, two hundred eighty-one".