1531345135111 has 16 divisors (see below), whose sum is σ = 1731233554560. Its totient is φ = 1341739796320.

The previous prime is 1531345135109. The next prime is 1531345135157. The reversal of 1531345135111 is 1115315431351.

It is not a de Polignac number, because 1531345135111 - 2¹ = 1531345135109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531345135511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4083685 + ... + 4442878.

It is an arithmetic number, because the mean of its divisors is an integer number (108202097160).

Almost surely, 2^{1531345135111} is an apocalyptic number.

1531345135111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1531345135111 is a deficient number, since it is larger than the sum of its proper divisors (199888419449).

1531345135111 is a wasteful number, since it uses less digits than its factorization.

1531345135111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527166.

The product of its digits is 13500, while the sum is 34.

The spelling of 1531345135111 in words is "one trillion, five hundred thirty-one billion, three hundred forty-five million, one hundred thirty-five thousand, one hundred eleven".