1311045125613 has 8 divisors (see below), whose sum is σ = 1748403012000. Its totient is φ = 873858661488.

The previous prime is 1311045125573. The next prime is 1311045125633. The reversal of 1311045125613 is 3165215401131.

It is a happy number.

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

It is not a de Polignac number, because 1311045125613 - 2⁶ = 1311045125549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311045125633) 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, 42837718 + ... + 42868311.

It is an arithmetic number, because the mean of its divisors is an integer number (218550376500).

Almost surely, 2^{1311045125613} is an apocalyptic number.

It is an amenable number.

1311045125613 is a deficient number, since it is larger than the sum of its proper divisors (437357886387).

1311045125613 is an equidigital number, since it uses as much as digits as its factorization.

1311045125613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85711131.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 1311045125613 in words is "one trillion, three hundred eleven billion, forty-five million, one hundred twenty-five thousand, six hundred thirteen".