11006454201561 has 48 divisors (see below), whose sum is σ = 19568639825280. Its totient is φ = 5805124485120.

The previous prime is 11006454201527. The next prime is 11006454201637. The reversal of 11006454201561 is 16510245460011.

11006454201561 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 64 + 542 + 0 + 1 + 56 + 1 = 666.

11006454201561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11006454201561 - 2¹⁷ = 11006454070489 is a prime.

It is a super-2 number, since 2×11006454201561² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11006454201511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9517906 + ... + 10611476.

It is an arithmetic number, because the mean of its divisors is an integer number (407679996360).

Almost surely, 2^{11006454201561} is an apocalyptic number.

It is an amenable number.

11006454201561 is a deficient number, since it is larger than the sum of its proper divisors (8562185623719).

11006454201561 is a wasteful number, since it uses less digits than its factorization.

11006454201561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105886 (or 1105883 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 11006454201561 its reverse (16510245460011), we get a palindrome (27516699661572).

The spelling of 11006454201561 in words is "eleven trillion, six billion, four hundred fifty-four million, two hundred one thousand, five hundred sixty-one".