25320443531011 has 8 divisors (see below), whose sum is σ = 26107071908544. Its totient is φ = 24542805192360.

The previous prime is 25320443530961. The next prime is 25320443531023. The reversal of 25320443531011 is 11013534402352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25320443531011 - 2⁷ = 25320443530883 is a prime.

It is a super-2 number, since 2×25320443531011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25320443531041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2247504001 + ... + 2247515266.

It is an arithmetic number, because the mean of its divisors is an integer number (3263383988568).

Almost surely, 2^{25320443531011} is an apocalyptic number.

25320443531011 is a deficient number, since it is larger than the sum of its proper divisors (786628377533).

25320443531011 is a wasteful number, since it uses less digits than its factorization.

25320443531011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495019441.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 25320443531011 its reverse (11013534402352), we get a palindrome (36333977933363).

The spelling of 25320443531011 in words is "twenty-five trillion, three hundred twenty billion, four hundred forty-three million, five hundred thirty-one thousand, eleven".