11453502633621 has 96 divisors (see below), whose sum is σ = 16311713983488. Its totient is φ = 7140965806080.

The previous prime is 11453502633619. The next prime is 11453502633631. The reversal of 11453502633621 is 12633620535411.

It is a happy number.

It is not a de Polignac number, because 11453502633621 - 2¹ = 11453502633619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453502633631) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20562841075 + ... + 20562841631.

It is an arithmetic number, because the mean of its divisors is an integer number (169913687328).

Almost surely, 2^{11453502633621} is an apocalyptic number.

It is an amenable number.

11453502633621 is a deficient number, since it is larger than the sum of its proper divisors (4858211349867).

11453502633621 is a wasteful number, since it uses less digits than its factorization.

11453502633621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 11453502633621 in words is "eleven trillion, four hundred fifty-three billion, five hundred two million, six hundred thirty-three thousand, six hundred twenty-one".