11257502171 has 2 divisors, whose sum is σ = 11257502172. Its totient is φ = 11257502170.

The previous prime is 11257502167. The next prime is 11257502189. The reversal of 11257502171 is 17120575211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11257502171 - 2² = 11257502167 is a prime.

It is not a weakly prime, because it can be changed into another prime (11257502771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628751085 + 5628751086.

It is an arithmetic number, because the mean of its divisors is an integer number (5628751086).

Almost surely, 2^11257502171 is an apocalyptic number.

11257502171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11257502171 is an equidigital number, since it uses as much as digits as its factorization.

11257502171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900, while the sum is 32.

The spelling of 11257502171 in words is "eleven billion, two hundred fifty-seven million, five hundred two thousand, one hundred seventy-one".