2206454111136 has 144 divisors (see below), whose sum is σ = 7205286947040. Its totient is φ = 633431784960.

The previous prime is 2206454111129. The next prime is 2206454111137. The reversal of 2206454111136 is 6311114546022.

2206454111136 is a `hidden beast` number, since 2 + 2 + 0 + 645 + 4 + 1 + 1 + 1 + 1 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2206454111136.

It is not an unprimeable number, because it can be changed into a prime (2206454111137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18268275 + ... + 18388658.

It is an arithmetic number, because the mean of its divisors is an integer number (50036714910).

Almost surely, 2^{2206454111136} is an apocalyptic number.

It is an amenable number.

2206454111136 is an abundant number, since it is smaller than the sum of its proper divisors (4998832835904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2206454111136 is a wasteful number, since it uses less digits than its factorization.

2206454111136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36656979 (or 36656968 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 2206454111136 its reverse (6311114546022), we get a palindrome (8517568657158).

The spelling of 2206454111136 in words is "two trillion, two hundred six billion, four hundred fifty-four million, one hundred eleven thousand, one hundred thirty-six".