11053621648 has 40 divisors (see below), whose sum is σ = 21954141720. Its totient is φ = 5388226560.

The previous prime is 11053621591. The next prime is 11053621661. The reversal of 11053621648 is 84612635011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 851005584 + 10202616064 = 29172^2 + 101008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081908 + ... + 1092076.

It is an arithmetic number, because the mean of its divisors is an integer number (548853543).

Almost surely, 2^11053621648 is an apocalyptic number.

It is an amenable number.

11053621648 is a deficient number, since it is larger than the sum of its proper divisors (10900520072).

11053621648 is a wasteful number, since it uses less digits than its factorization.

11053621648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11875 (or 11869 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 11053621648 in words is "eleven billion, fifty-three million, six hundred twenty-one thousand, six hundred forty-eight".