1311134425045 has 8 divisors (see below), whose sum is σ = 1573447910400. Its totient is φ = 1048849806480.

The previous prime is 1311134425033. The next prime is 1311134425049. The reversal of 1311134425045 is 5405244311131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311134425045 - 2²¹ = 1311132327893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311134425045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311134425049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7116645 + ... + 7298554.

It is an arithmetic number, because the mean of its divisors is an integer number (196680988800).

Almost surely, 2^{1311134425045} is an apocalyptic number.

It is an amenable number.

1311134425045 is a deficient number, since it is larger than the sum of its proper divisors (262313485355).

1311134425045 is a wasteful number, since it uses less digits than its factorization.

1311134425045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14433395.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 1311134425045 its reverse (5405244311131), we get a palindrome (6716378736176).

The spelling of 1311134425045 in words is "one trillion, three hundred eleven billion, one hundred thirty-four million, four hundred twenty-five thousand, forty-five".