21088576726152 has 128 divisors (see below), whose sum is σ = 57286414080000. Its totient is φ = 6430819599360.

The previous prime is 21088576726127. The next prime is 21088576726157. The reversal of 21088576726152 is 25162767588012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21088576726157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15372474 + ... + 16688022.

It is an arithmetic number, because the mean of its divisors is an integer number (447550110000).

Almost surely, 2^{21088576726152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21088576726152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28643207040000).

21088576726152 is an abundant number, since it is smaller than the sum of its proper divisors (36197837353848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21088576726152 is a wasteful number, since it uses less digits than its factorization.

21088576726152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316031 (or 1316027 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 21088576726152 in words is "twenty-one trillion, eighty-eight billion, five hundred seventy-six million, seven hundred twenty-six thousand, one hundred fifty-two".