25105501161151 has 2 divisors, whose sum is σ = 25105501161152. Its totient is φ = 25105501161150.

The previous prime is 25105501161107. The next prime is 25105501161179. The reversal of 25105501161151 is 15116110550152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25105501161151 - 2¹⁹ = 25105500636863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25105501161551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12552750580575 + 12552750580576.

It is an arithmetic number, because the mean of its divisors is an integer number (12552750580576).

Almost surely, 2^{25105501161151} is an apocalyptic number.

25105501161151 is a deficient number, since it is larger than the sum of its proper divisors (1).

25105501161151 is an equidigital number, since it uses as much as digits as its factorization.

25105501161151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 34.

The spelling of 25105501161151 in words is "twenty-five trillion, one hundred five billion, five hundred one million, one hundred sixty-one thousand, one hundred fifty-one".