25015513453211 has 2 divisors, whose sum is σ = 25015513453212. Its totient is φ = 25015513453210.

The previous prime is 25015513453193. The next prime is 25015513453223. The reversal of 25015513453211 is 11235431551052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25015513453211 is a prime.

It is not a weakly prime, because it can be changed into another prime (25015513453241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12507756726605 + 12507756726606.

It is an arithmetic number, because the mean of its divisors is an integer number (12507756726606).

Almost surely, 2^{25015513453211} is an apocalyptic number.

25015513453211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25015513453211 is an equidigital number, since it uses as much as digits as its factorization.

25015513453211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 25015513453211 in words is "twenty-five trillion, fifteen billion, five hundred thirteen million, four hundred fifty-three thousand, two hundred eleven".