1311124115553 has 16 divisors (see below), whose sum is σ = 2021974542336. Its totient is φ = 740187107280.

The previous prime is 1311124115503. The next prime is 1311124115573. The reversal of 1311124115553 is 3555114211131.

It is not a de Polignac number, because 1311124115553 - 2⁸ = 1311124115297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311124115503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376109593 + ... + 376113078.

It is an arithmetic number, because the mean of its divisors is an integer number (126373408896).

Almost surely, 2^{1311124115553} is an apocalyptic number.

It is an amenable number.

1311124115553 is a deficient number, since it is larger than the sum of its proper divisors (710850426783).

1311124115553 is an equidigital number, since it uses as much as digits as its factorization.

1311124115553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752222764.

The product of its digits is 9000, while the sum is 33.

Adding to 1311124115553 its reverse (3555114211131), we get a palindrome (4866238326684).

The spelling of 1311124115553 in words is "one trillion, three hundred eleven billion, one hundred twenty-four million, one hundred fifteen thousand, five hundred fifty-three".