11257144485127 has 2 divisors, whose sum is σ = 11257144485128. Its totient is φ = 11257144485126.

The previous prime is 11257144485001. The next prime is 11257144485143. The reversal of 11257144485127 is 72158444175211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11257144485127 is a prime.

It is a super-2 number, since 2×11257144485127² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11257144485187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628572242563 + 5628572242564.

It is an arithmetic number, because the mean of its divisors is an integer number (5628572242564).

Almost surely, 2^{11257144485127} is an apocalyptic number.

11257144485127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11257144485127 is an equidigital number, since it uses as much as digits as its factorization.

11257144485127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2508800, while the sum is 52.

The spelling of 11257144485127 in words is "eleven trillion, two hundred fifty-seven billion, one hundred forty-four million, four hundred eighty-five thousand, one hundred twenty-seven".