11554164604453 has 4 divisors (see below), whose sum is σ = 11556370866060. Its totient is φ = 11551958342848.

The previous prime is 11554164604441. The next prime is 11554164604483. The reversal of 11554164604453 is 35440646145511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5646435745729 + 5907728858724 = 2376223^2 + 2430582^2 .

It is a cyclic number.

It is not a de Polignac number, because 11554164604453 - 2⁹ = 11554164603941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11554164604397 and 11554164604406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554164604483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103122948 + ... + 1103133421.

It is an arithmetic number, because the mean of its divisors is an integer number (2889092716515).

Almost surely, 2^{11554164604453} is an apocalyptic number.

It is an amenable number.

11554164604453 is a deficient number, since it is larger than the sum of its proper divisors (2206261607).

11554164604453 is an equidigital number, since it uses as much as digits as its factorization.

11554164604453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206261606.

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 11554164604453 in words is "eleven trillion, five hundred fifty-four billion, one hundred sixty-four million, six hundred four thousand, four hundred fifty-three".