21732670811151 has 12 divisors (see below), whose sum is σ = 31409749681128. Its totient is φ = 14480086869744.

The previous prime is 21732670811113. The next prime is 21732670811191. The reversal of 21732670811151 is 15111807623712.

It is not a de Polignac number, because 21732670811151 - 2¹⁴ = 21732670794767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21732670811097 and 21732670811106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21732670811191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696678345 + ... + 696709538.

It is an arithmetic number, because the mean of its divisors is an integer number (2617479140094).

Almost surely, 2^{21732670811151} is an apocalyptic number.

21732670811151 is a deficient number, since it is larger than the sum of its proper divisors (9677078869977).

21732670811151 is a wasteful number, since it uses less digits than its factorization.

21732670811151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393389622 (or 1393389619 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 21732670811151 in words is "twenty-one trillion, seven hundred thirty-two billion, six hundred seventy million, eight hundred eleven thousand, one hundred fifty-one".