1311102035456 has 20 divisors (see below), whose sum is σ = 2619643325772. Its totient is φ = 655551017472.

The previous prime is 1311102035381. The next prime is 1311102035501. The reversal of 1311102035456 is 6545302011131.

It is a super-2 number, since 2×1311102035456² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280372570 + ... + 1280373593.

Almost surely, 2^{1311102035456} is an apocalyptic number.

1311102035456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1311102035456 is a deficient number, since it is larger than the sum of its proper divisors (1308541290316).

1311102035456 is an frugal number, since it uses more digits than its factorization.

1311102035456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560746181 (or 2560746165 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 1311102035456 its reverse (6545302011131), we get a palindrome (7856404046587).

The spelling of 1311102035456 in words is "one trillion, three hundred eleven billion, one hundred two million, thirty-five thousand, four hundred fifty-six".