11455621244 has 24 divisors (see below), whose sum is σ = 20102309136. Its totient is φ = 5712128000.

The previous prime is 11455621231. The next prime is 11455621253. The reversal of 11455621244 is 44212655411.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2718299 + ... + 2722509.

It is an arithmetic number, because the mean of its divisors is an integer number (837596214).

Almost surely, 2^11455621244 is an apocalyptic number.

It is an amenable number.

11455621244 is a deficient number, since it is larger than the sum of its proper divisors (8646687892).

11455621244 is a wasteful number, since it uses less digits than its factorization.

11455621244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917 (or 5915 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The spelling of 11455621244 in words is "eleven billion, four hundred fifty-five million, six hundred twenty-one thousand, two hundred forty-four".