21059011838060 has 384 divisors, whose sum is σ = 52510739097600. Its totient is φ = 6946672803840.

The previous prime is 21059011838047. The next prime is 21059011838069. The reversal of 21059011838060 is 6083811095012.

It is not an unprimeable number, because it can be changed into a prime (21059011838069) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34021020431 + ... + 34021021049.

It is an arithmetic number, because the mean of its divisors is an integer number (136746716400).

Almost surely, 2^{21059011838060} is an apocalyptic number.

21059011838060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21059011838060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26255369548800).

21059011838060 is an abundant number, since it is smaller than the sum of its proper divisors (31451727259540).

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

21059011838060 is a wasteful number, since it uses less digits than its factorization.

21059011838060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 21059011838060 in words is "twenty-one trillion, fifty-nine billion, eleven million, eight hundred thirty-eight thousand, sixty".