1311044125451 has 8 divisors (see below), whose sum is σ = 1356515894880. Its totient is φ = 1265589912832.

The previous prime is 1311044125421. The next prime is 1311044125453. The reversal of 1311044125451 is 1545214401131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311044125451 - 2¹⁸ = 1311043863307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311044125453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4237175 + ... + 4536048.

It is an arithmetic number, because the mean of its divisors is an integer number (169564486860).

Almost surely, 2^{1311044125451} is an apocalyptic number.

1311044125451 is a deficient number, since it is larger than the sum of its proper divisors (45471769429).

1311044125451 is an equidigital number, since it uses as much as digits as its factorization.

1311044125451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778405.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 1311044125451 its reverse (1545214401131), we get a palindrome (2856258526582).

The spelling of 1311044125451 in words is "one trillion, three hundred eleven billion, forty-four million, one hundred twenty-five thousand, four hundred fifty-one".