11257502149 has 2 divisors, whose sum is σ = 11257502150. Its totient is φ = 11257502148.

The previous prime is 11257502077. The next prime is 11257502167. The reversal of 11257502149 is 94120575211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9407642049 + 1849860100 = 96993^2 + 43010^2 .

It is a cyclic number.

It is not a de Polignac number, because 11257502149 - 2²¹ = 11255404997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11257502189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628751074 + 5628751075.

It is an arithmetic number, because the mean of its divisors is an integer number (5628751075).

Almost surely, 2^11257502149 is an apocalyptic number.

It is an amenable number.

11257502149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11257502149 is an equidigital number, since it uses as much as digits as its factorization.

11257502149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 11257502149 in words is "eleven billion, two hundred fifty-seven million, five hundred two thousand, one hundred forty-nine".