1311502244055 has 16 divisors (see below), whose sum is σ = 2143050476544. Its totient is φ = 684585568160.

The previous prime is 1311502244029. The next prime is 1311502244069. The reversal of 1311502244055 is 5504422051131.

It is not a de Polignac number, because 1311502244055 - 2⁵ = 1311502244023 is a prime.

It is a super-2 number, since 2×1311502244055² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 930142731 + ... + 930144140.

It is an arithmetic number, because the mean of its divisors is an integer number (133940654784).

Almost surely, 2^{1311502244055} is an apocalyptic number.

1311502244055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311502244055 is a deficient number, since it is larger than the sum of its proper divisors (831548232489).

1311502244055 is a wasteful number, since it uses less digits than its factorization.

1311502244055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860286926.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1311502244055 its reverse (5504422051131), we get a palindrome (6815924295186).

The spelling of 1311502244055 in words is "one trillion, three hundred eleven billion, five hundred two million, two hundred forty-four thousand, fifty-five".