25041663041 has 2 divisors, whose sum is σ = 25041663042. Its totient is φ = 25041663040.

The previous prime is 25041662977. The next prime is 25041663091. The reversal of 25041663041 is 14036614052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18999865600 + 6041797441 = 137840^2 + 77729^2 .

It is a cyclic number.

It is not a de Polignac number, because 25041663041 - 2⁶ = 25041662977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25041662989 and 25041663007.

It is not a weakly prime, because it can be changed into another prime (25041663091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520831520 + 12520831521.

It is an arithmetic number, because the mean of its divisors is an integer number (12520831521).

Almost surely, 2^25041663041 is an apocalyptic number.

It is an amenable number.

25041663041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25041663041 is an equidigital number, since it uses as much as digits as its factorization.

25041663041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 25041663041 in words is "twenty-five billion, forty-one million, six hundred sixty-three thousand, forty-one".