25110245099 has 2 divisors, whose sum is σ = 25110245100. Its totient is φ = 25110245098.

The previous prime is 25110245087. The next prime is 25110245137. The reversal of 25110245099 is 99054201152.

It is an a-pointer prime, because the next prime (25110245137) can be obtained adding 25110245099 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25110245099 - 2¹² = 25110241003 is a prime.

It is not a weakly prime, because it can be changed into another prime (25110245899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555122549 + 12555122550.

It is an arithmetic number, because the mean of its divisors is an integer number (12555122550).

Almost surely, 2^25110245099 is an apocalyptic number.

25110245099 is a deficient number, since it is larger than the sum of its proper divisors (1).

25110245099 is an equidigital number, since it uses as much as digits as its factorization.

25110245099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 25110245099 in words is "twenty-five billion, one hundred ten million, two hundred forty-five thousand, ninety-nine".