21041232522025 has 12 divisors (see below), whose sum is σ = 26111152257472. Its totient is φ = 16820067353040.

The previous prime is 21041232522019. The next prime is 21041232522041. The reversal of 21041232522025 is 52022523214012.

It is not a de Polignac number, because 21041232522025 - 2¹⁵ = 21041232489257 is a prime.

It is a super-3 number, since 3×21041232522025³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322933389 + ... + 322998538.

Almost surely, 2^{21041232522025} is an apocalyptic number.

21041232522025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21041232522025 is a deficient number, since it is larger than the sum of its proper divisors (5069919735447).

21041232522025 is a wasteful number, since it uses less digits than its factorization.

21041232522025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645933240 (or 645933235 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 21041232522025 its reverse (52022523214012), we get a palindrome (73063755736037).

The spelling of 21041232522025 in words is "twenty-one trillion, forty-one billion, two hundred thirty-two million, five hundred twenty-two thousand, twenty-five".