1125885175231 has 2 divisors, whose sum is σ = 1125885175232. Its totient is φ = 1125885175230.

The previous prime is 1125885175229. The next prime is 1125885175297. The reversal of 1125885175231 is 1325715885211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125885175231 - 2¹ = 1125885175229 is a prime.

It is a super-2 number, since 2×1125885175231² (a number of 25 digits) contains 22 as substring.

Together with 1125885175229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125885175531) 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, 562942587615 + 562942587616.

It is an arithmetic number, because the mean of its divisors is an integer number (562942587616).

Almost surely, 2^{1125885175231} is an apocalyptic number.

1125885175231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125885175231 is an equidigital number, since it uses as much as digits as its factorization.

1125885175231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 49.

The spelling of 1125885175231 in words is "one trillion, one hundred twenty-five billion, eight hundred eighty-five million, one hundred seventy-five thousand, two hundred thirty-one".