25111132201 has 2 divisors, whose sum is σ = 25111132202. Its totient is φ = 25111132200.

The previous prime is 25111132121. The next prime is 25111132231. The reversal of 25111132201 is 10223111152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17748634176 + 7362498025 = 133224^2 + 85805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25111132201 is a prime.

It is not a weakly prime, because it can be changed into another prime (25111132231) 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 as a sum of consecutive naturals, namely, 12555566100 + 12555566101.

It is an arithmetic number, because the mean of its divisors is an integer number (12555566101).

Almost surely, 2^25111132201 is an apocalyptic number.

It is an amenable number.

25111132201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25111132201 is an equidigital number, since it uses as much as digits as its factorization.

25111132201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 25111132201 its reverse (10223111152), we get a palindrome (35334243353).

The spelling of 25111132201 in words is "twenty-five billion, one hundred eleven million, one hundred thirty-two thousand, two hundred one".