1313111052050 has 48 divisors (see below), whose sum is σ = 2887550631360. Its totient is φ = 434685034560.

The previous prime is 1313111052017. The next prime is 1313111052053. The reversal of 1313111052050 is 502501113131.

It is not an unprimeable number, because it can be changed into a prime (1313111052053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64675124 + ... + 64695423.

It is an arithmetic number, because the mean of its divisors is an integer number (60157304820).

Almost surely, 2^{1313111052050} is an apocalyptic number.

1313111052050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313111052050 is an abundant number, since it is smaller than the sum of its proper divisors (1574439579310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313111052050 is a wasteful number, since it uses less digits than its factorization.

1313111052050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129370595 (or 129370590 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 1313111052050 its reverse (502501113131), we get a palindrome (1815612165181).

The spelling of 1313111052050 in words is "one trillion, three hundred thirteen billion, one hundred eleven million, fifty-two thousand, fifty".