25280503051 has 2 divisors, whose sum is σ = 25280503052. Its totient is φ = 25280503050.

The previous prime is 25280502977. The next prime is 25280503063. The reversal of 25280503051 is 15030508252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25280503051 - 2⁹ = 25280502539 is a prime.

It is not a weakly prime, because it can be changed into another prime (25280507051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640251525 + 12640251526.

It is an arithmetic number, because the mean of its divisors is an integer number (12640251526).

Almost surely, 2^25280503051 is an apocalyptic number.

25280503051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280503051 is an equidigital number, since it uses as much as digits as its factorization.

25280503051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 25280503051 in words is "twenty-five billion, two hundred eighty million, five hundred three thousand, fifty-one".