1311104631455 has 16 divisors (see below), whose sum is σ = 1607604213600. Its totient is φ = 1026144682368.

The previous prime is 1311104631449. The next prime is 1311104631509. The reversal of 1311104631455 is 5541364011131.

It is a cyclic number.

It is not a de Polignac number, because 1311104631455 - 2¹⁶ = 1311104565919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6995717 + ... + 7180686.

It is an arithmetic number, because the mean of its divisors is an integer number (100475263350).

Almost surely, 2^{1311104631455} is an apocalyptic number.

1311104631455 is a deficient number, since it is larger than the sum of its proper divisors (296499582145).

1311104631455 is a wasteful number, since it uses less digits than its factorization.

1311104631455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14176810.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 1311104631455 its reverse (5541364011131), we get a palindrome (6852468642586).

The spelling of 1311104631455 in words is "one trillion, three hundred eleven billion, one hundred four million, six hundred thirty-one thousand, four hundred fifty-five".