25523545052111 has 2 divisors, whose sum is σ = 25523545052112. Its totient is φ = 25523545052110.

The previous prime is 25523545052107. The next prime is 25523545052141. The reversal of 25523545052111 is 11125054532552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25523545052111 - 2² = 25523545052107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25523545052141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12761772526055 + 12761772526056.

It is an arithmetic number, because the mean of its divisors is an integer number (12761772526056).

Almost surely, 2^{25523545052111} is an apocalyptic number.

25523545052111 is a deficient number, since it is larger than the sum of its proper divisors (1).

25523545052111 is an equidigital number, since it uses as much as digits as its factorization.

25523545052111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300000, while the sum is 41.

Adding to 25523545052111 its reverse (11125054532552), we get a palindrome (36648599584663).

The spelling of 25523545052111 in words is "twenty-five trillion, five hundred twenty-three billion, five hundred forty-five million, fifty-two thousand, one hundred eleven".