1351223773311 has 16 divisors (see below), whose sum is σ = 1820621052800. Its totient is φ = 891343541088.

The previous prime is 1351223773297. The next prime is 1351223773313. The reversal of 1351223773311 is 1133773221531.

It is not a de Polignac number, because 1351223773311 - 2¹⁷ = 1351223642239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351223773311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351223773313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2554141 + ... + 3037446.

It is an arithmetic number, because the mean of its divisors is an integer number (113788815800).

Almost surely, 2^{1351223773311} is an apocalyptic number.

1351223773311 is a deficient number, since it is larger than the sum of its proper divisors (469397279489).

1351223773311 is a wasteful number, since it uses less digits than its factorization.

1351223773311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592438.

The product of its digits is 79380, while the sum is 39.

Adding to 1351223773311 its reverse (1133773221531), we get a palindrome (2484996994842).

The spelling of 1351223773311 in words is "one trillion, three hundred fifty-one billion, two hundred twenty-three million, seven hundred seventy-three thousand, three hundred eleven".