21514052340552 has 192 divisors, whose sum is σ = 57558431649600. Its totient is φ = 6698527418880.

The previous prime is 21514052340533. The next prime is 21514052340569. The reversal of 21514052340552 is 25504325041512.

It is a super-2 number, since 2×21514052340552² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21514052340552.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107549458 + ... + 107749310.

It is an arithmetic number, because the mean of its divisors is an integer number (299783498175).

Almost surely, 2^{21514052340552} 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 21514052340552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28779215824800).

21514052340552 is an abundant number, since it is smaller than the sum of its proper divisors (36044379309048).

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

21514052340552 is a wasteful number, since it uses less digits than its factorization.

21514052340552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200108 (or 200081 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 21514052340552 in words is "twenty-one trillion, five hundred fourteen billion, fifty-two million, three hundred forty thousand, five hundred fifty-two".