25004533131211 has 16 divisors (see below), whose sum is σ = 25403326299648. Its totient is φ = 24606504568800.

The previous prime is 25004533131181. The next prime is 25004533131229. The reversal of 25004533131211 is 11213133540052.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25004533131211 is a prime.

It is a super-2 number, since 2×25004533131211² (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 (25004533131271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290670196 + ... + 290756206.

It is an arithmetic number, because the mean of its divisors is an integer number (1587707893728).

Almost surely, 2^{25004533131211} is an apocalyptic number.

25004533131211 is a deficient number, since it is larger than the sum of its proper divisors (398793168437).

25004533131211 is a wasteful number, since it uses less digits than its factorization.

25004533131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90402.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 25004533131211 its reverse (11213133540052), we get a palindrome (36217666671263).

The spelling of 25004533131211 in words is "twenty-five trillion, four billion, five hundred thirty-three million, one hundred thirty-one thousand, two hundred eleven".