21134562653332 has 24 divisors (see below), whose sum is σ = 38119315353056. Its totient is φ = 10245348086688.

The previous prime is 21134562653329. The next prime is 21134562653353. The reversal of 21134562653332 is 23335626543112.

It is a happy number.

It is a congruent number.

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, 252256878 + ... + 252340645.

Almost surely, 2^{21134562653332} is an apocalyptic number.

It is an amenable number.

21134562653332 is a deficient number, since it is larger than the sum of its proper divisors (16984752699724).

21134562653332 is a wasteful number, since it uses less digits than its factorization.

21134562653332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504597847 (or 504597845 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 46.

The spelling of 21134562653332 in words is "twenty-one trillion, one hundred thirty-four billion, five hundred sixty-two million, six hundred fifty-three thousand, three hundred thirty-two".