1311786143627 has 12 divisors (see below), whose sum is σ = 1327561164216. Its totient is φ = 1296060804480.

The previous prime is 1311786143597. The next prime is 1311786143641. The reversal of 1311786143627 is 7263416871131.

It is not a de Polignac number, because 1311786143627 - 2¹⁰ = 1311786142603 is a prime.

It is a super-2 number, since 2×1311786143627² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311786103627) 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 11 ways as a sum of consecutive naturals, for example, 34784852 + ... + 34822542.

It is an arithmetic number, because the mean of its divisors is an integer number (110630097018).

Almost surely, 2^{1311786143627} is an apocalyptic number.

1311786143627 is a deficient number, since it is larger than the sum of its proper divisors (15775020589).

1311786143627 is an frugal number, since it uses more digits than its factorization.

1311786143627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38986 (or 38387 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The spelling of 1311786143627 in words is "one trillion, three hundred eleven billion, seven hundred eighty-six million, one hundred forty-three thousand, six hundred twenty-seven".