11525444401 has 2 divisors, whose sum is σ = 11525444402. Its totient is φ = 11525444400.

The previous prime is 11525444377. The next prime is 11525444407. The reversal of 11525444401 is 10444452511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8167821376 + 3357623025 = 90376^2 + 57945^2 .

It is a cyclic number.

It is not a de Polignac number, because 11525444401 - 2⁵ = 11525444369 is a prime.

It is not a weakly prime, because it can be changed into another prime (11525444407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762722200 + 5762722201.

It is an arithmetic number, because the mean of its divisors is an integer number (5762722201).

Almost surely, 2^11525444401 is an apocalyptic number.

It is an amenable number.

11525444401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525444401 is an equidigital number, since it uses as much as digits as its factorization.

11525444401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 11525444401 its reverse (10444452511), we get a palindrome (21969896912).

The spelling of 11525444401 in words is "eleven billion, five hundred twenty-five million, four hundred forty-four thousand, four hundred one".