21082275577152 has 56 divisors (see below), whose sum is σ = 61977986076800. Its totient is φ = 7027425191808.

The previous prime is 21082275577127. The next prime is 21082275577157. The reversal of 21082275577152 is 25177557228012.

21082275577152 is a `hidden beast` number, since 2 + 1 + 0 + 82 + 2 + 7 + 557 + 7 + 1 + 5 + 2 = 666.

It is a super-2 number, since 2×21082275577152² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21082275577157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6100193752 + ... + 6100197207.

Almost surely, 2^{21082275577152} is an apocalyptic number.

It is an amenable number.

21082275577152 is an abundant number, since it is smaller than the sum of its proper divisors (40895710499648).

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

21082275577152 is a wasteful number, since it uses less digits than its factorization.

21082275577152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200390980 (or 12200390964 counting only the distinct ones).

The product of its (nonzero) digits is 5488000, while the sum is 54.

The spelling of 21082275577152 in words is "twenty-one trillion, eighty-two billion, two hundred seventy-five million, five hundred seventy-seven thousand, one hundred fifty-two".