1144512402135 has 16 divisors (see below), whose sum is σ = 1870181968896. Its totient is φ = 597419239328.

The previous prime is 1144512402127. The next prime is 1144512402139. The reversal of 1144512402135 is 5312042154411.

It is a cyclic number.

It is not a de Polignac number, because 1144512402135 - 2³ = 1144512402127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144512402096 and 1144512402105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144512402139) by changing a digit.

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, 811710219 + ... + 811711628.

It is an arithmetic number, because the mean of its divisors is an integer number (116886373056).

Almost surely, 2^{1144512402135} is an apocalyptic number.

1144512402135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144512402135 is a deficient number, since it is larger than the sum of its proper divisors (725669566761).

1144512402135 is a wasteful number, since it uses less digits than its factorization.

1144512402135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623421902.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 1144512402135 its reverse (5312042154411), we get a palindrome (6456554556546).

The spelling of 1144512402135 in words is "one trillion, one hundred forty-four billion, five hundred twelve million, four hundred two thousand, one hundred thirty-five".