25011310503401 has 2 divisors, whose sum is σ = 25011310503402. Its totient is φ = 25011310503400.

The previous prime is 25011310503313. The next prime is 25011310503463. The reversal of 25011310503401 is 10430501311052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24131280769600 + 880029733801 = 4912360^2 + 938099^2 .

It is a cyclic number.

It is not a de Polignac number, because 25011310503401 - 2³⁴ = 24994130634217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25011310583401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12505655251700 + 12505655251701.

It is an arithmetic number, because the mean of its divisors is an integer number (12505655251701).

Almost surely, 2^{25011310503401} is an apocalyptic number.

It is an amenable number.

25011310503401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25011310503401 is an equidigital number, since it uses as much as digits as its factorization.

25011310503401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 25011310503401 its reverse (10430501311052), we get a palindrome (35441811814453).

The spelling of 25011310503401 in words is "twenty-five trillion, eleven billion, three hundred ten million, five hundred three thousand, four hundred one".