1311046134545 has 8 divisors (see below), whose sum is σ = 1798006127424. Its totient is φ = 899003063664.

The previous prime is 1311046134493. The next prime is 1311046134547. The reversal of 1311046134545 is 5454316401131.

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 1311046134545 - 2¹⁶ = 1311046069009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311046134499 and 1311046134508.

It is not an unprimeable number, because it can be changed into a prime (1311046134547) 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, 18729230459 + ... + 18729230528.

It is an arithmetic number, because the mean of its divisors is an integer number (224750765928).

Almost surely, 2^{1311046134545} is an apocalyptic number.

It is an amenable number.

1311046134545 is a deficient number, since it is larger than the sum of its proper divisors (486959992879).

1311046134545 is an equidigital number, since it uses as much as digits as its factorization.

1311046134545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37458460999.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 1311046134545 in words is "one trillion, three hundred eleven billion, forty-six million, one hundred thirty-four thousand, five hundred forty-five".