1311608570355 has 24 divisors (see below), whose sum is σ = 2407187495232. Its totient is φ = 658376066304.

The previous prime is 1311608570351. The next prime is 1311608570357. The reversal of 1311608570355 is 5530758061131.

1311608570355 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 608 + 5 + 7 + 0 + 35 + 5 = 666.

It is not a de Polignac number, because 1311608570355 - 2² = 1311608570351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1311608570355.

It is not an unprimeable number, because it can be changed into a prime (1311608570351) 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, 857259739 + ... + 857261268.

It is an arithmetic number, because the mean of its divisors is an integer number (100299478968).

Almost surely, 2^{1311608570355} is an apocalyptic number.

1311608570355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311608570355 is a deficient number, since it is larger than the sum of its proper divisors (1095578924877).

1311608570355 is a wasteful number, since it uses less digits than its factorization.

1311608570355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714521035 (or 1714521032 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 1311608570355 in words is "one trillion, three hundred eleven billion, six hundred eight million, five hundred seventy thousand, three hundred fifty-five".