25358081011 has 2 divisors, whose sum is σ = 25358081012. Its totient is φ = 25358081010.

The previous prime is 25358080981. The next prime is 25358081083. The reversal of 25358081011 is 11018085352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25358081011 is a prime.

It is not a weakly prime, because it can be changed into another prime (25358081911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12679040505 + 12679040506.

It is an arithmetic number, because the mean of its divisors is an integer number (12679040506).

Almost surely, 2^25358081011 is an apocalyptic number.

25358081011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25358081011 is an equidigital number, since it uses as much as digits as its factorization.

25358081011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 34.

The spelling of 25358081011 in words is "twenty-five billion, three hundred fifty-eight million, eighty-one thousand, eleven".