1311102202645 has 8 divisors (see below), whose sum is σ = 1573329854880. Its totient is φ = 1048876954320.

The previous prime is 1311102202607. The next prime is 1311102202661. The reversal of 1311102202645 is 5462022011131.

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

It is not a de Polignac number, because 1311102202645 - 2⁷ = 1311102202517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974286 + ... + 1889824.

It is an arithmetic number, because the mean of its divisors is an integer number (196666231860).

Almost surely, 2^{1311102202645} is an apocalyptic number.

It is an amenable number.

1311102202645 is a deficient number, since it is larger than the sum of its proper divisors (262227652235).

1311102202645 is an equidigital number, since it uses as much as digits as its factorization.

1311102202645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201955.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 1311102202645 its reverse (5462022011131), we get a palindrome (6773124213776).

The spelling of 1311102202645 in words is "one trillion, three hundred eleven billion, one hundred two million, two hundred two thousand, six hundred forty-five".