1311625641303 has 12 divisors (see below), whose sum is σ = 1922847541368. Its totient is φ = 861366092400.

The previous prime is 1311625641299. The next prime is 1311625641311. The reversal of 1311625641303 is 3031465261131.

1311625641303 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 6 + 2 + 5 + 641 + 3 + 0 + 3 = 666.

It is not a de Polignac number, because 1311625641303 - 2² = 1311625641299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311625641343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1087582848 + ... + 1087584053.

It is an arithmetic number, because the mean of its divisors is an integer number (160237295114).

Almost surely, 2^{1311625641303} is an apocalyptic number.

1311625641303 is a deficient number, since it is larger than the sum of its proper divisors (611221900065).

1311625641303 is a wasteful number, since it uses less digits than its factorization.

1311625641303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175166974 (or 2175166971 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 1311625641303 in words is "one trillion, three hundred eleven billion, six hundred twenty-five million, six hundred forty-one thousand, three hundred three".