11253027621 has 16 divisors (see below), whose sum is σ = 16896043008. Its totient is φ = 6600015600.

The previous prime is 11253027607. The next prime is 11253027629. The reversal of 11253027621 is 12672035211.

It is not a de Polignac number, because 11253027621 - 2¹⁷ = 11252896549 is a prime.

11253027621 is a modest number, since divided by 27621 gives 11253 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11253027629) 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 15 ways as a sum of consecutive naturals, for example, 5498991 + ... + 5501036.

It is an arithmetic number, because the mean of its divisors is an integer number (1056002688).

Almost surely, 2^11253027621 is an apocalyptic number.

11253027621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11253027621 is a deficient number, since it is larger than the sum of its proper divisors (5643015387).

11253027621 is a wasteful number, since it uses less digits than its factorization.

11253027621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000072.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 11253027621 in words is "eleven billion, two hundred fifty-three million, twenty-seven thousand, six hundred twenty-one".