1311614226620 has 96 divisors (see below), whose sum is σ = 2868718809600. Its totient is φ = 503121323264.

The previous prime is 1311614226583. The next prime is 1311614226673. The reversal of 1311614226620 is 266224161131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92081219 + ... + 92095461.

It is an arithmetic number, because the mean of its divisors is an integer number (29882487600).

Almost surely, 2^{1311614226620} is an apocalyptic number.

1311614226620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311614226620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434359404800).

1311614226620 is an abundant number, since it is smaller than the sum of its proper divisors (1557104582980).

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

1311614226620 is a wasteful number, since it uses less digits than its factorization.

1311614226620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15347 (or 15345 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 1311614226620 its reverse (266224161131), we get a palindrome (1577838387751).

The spelling of 1311614226620 in words is "one trillion, three hundred eleven billion, six hundred fourteen million, two hundred twenty-six thousand, six hundred twenty".