1311255524355 has 64 divisors (see below), whose sum is σ = 2418608222208. Its totient is φ = 594227911680.

The previous prime is 1311255524281. The next prime is 1311255524497. The reversal of 1311255524355 is 5534255521131.

It is not a de Polignac number, because 1311255524355 - 2¹⁴ = 1311255507971 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 7012759 + ... + 7197311.

It is an arithmetic number, because the mean of its divisors is an integer number (37790753472).

Almost surely, 2^{1311255524355} is an apocalyptic number.

1311255524355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311255524355 is a deficient number, since it is larger than the sum of its proper divisors (1107352697853).

1311255524355 is a wasteful number, since it uses less digits than its factorization.

1311255524355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185156.

The product of its digits is 450000, while the sum is 42.

The spelling of 1311255524355 in words is "one trillion, three hundred eleven billion, two hundred fifty-five million, five hundred twenty-four thousand, three hundred fifty-five".