1316233660511 has 24 divisors (see below), whose sum is σ = 1742945226624. Its totient is φ = 981043712880.

The previous prime is 1316233660493. The next prime is 1316233660519. The reversal of 1316233660511 is 1150663326131.

It is not a de Polignac number, because 1316233660511 - 2²² = 1316229466207 is a prime.

It is a super-2 number, since 2×1316233660511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316233660519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53074385 + ... + 53099178.

It is an arithmetic number, because the mean of its divisors is an integer number (72622717776).

Almost surely, 2^{1316233660511} is an apocalyptic number.

1316233660511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1316233660511 is a deficient number, since it is larger than the sum of its proper divisors (426711566113).

1316233660511 is a wasteful number, since it uses less digits than its factorization.

1316233660511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106173611 (or 106173604 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

Adding to 1316233660511 its reverse (1150663326131), we get a palindrome (2466896986642).

The spelling of 1316233660511 in words is "one trillion, three hundred sixteen billion, two hundred thirty-three million, six hundred sixty thousand, five hundred eleven".