1311616105320 has 32 divisors (see below), whose sum is σ = 3934848316320. Its totient is φ = 349764294720.

The previous prime is 1311616105307. The next prime is 1311616105337. The reversal of 1311616105320 is 235016161131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5465066986 + ... + 5465067225.

It is an arithmetic number, because the mean of its divisors is an integer number (122964009885).

Almost surely, 2^{1311616105320} is an apocalyptic number.

1311616105320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311616105320 is an abundant number, since it is smaller than the sum of its proper divisors (2623232211000).

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

1311616105320 is a wasteful number, since it uses less digits than its factorization.

1311616105320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930134225 (or 10930134221 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 1311616105320 in words is "one trillion, three hundred eleven billion, six hundred sixteen million, one hundred five thousand, three hundred twenty".