21733272112507 has 16 divisors (see below), whose sum is σ = 22475616866560. Its totient is φ = 21002082125472.

The previous prime is 21733272112477. The next prime is 21733272112529. The reversal of 21733272112507 is 70521127233712.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21733272112507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21733272112577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2439448 + ... + 7029754.

It is an arithmetic number, because the mean of its divisors is an integer number (1404726054160).

Almost surely, 2^{21733272112507} is an apocalyptic number.

21733272112507 is a deficient number, since it is larger than the sum of its proper divisors (742344754053).

21733272112507 is a wasteful number, since it uses less digits than its factorization.

21733272112507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591522.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 21733272112507 in words is "twenty-one trillion, seven hundred thirty-three billion, two hundred seventy-two million, one hundred twelve thousand, five hundred seven".