1351103503211 has 16 divisors (see below), whose sum is σ = 1684968730368. Its totient is φ = 1052510392800.

The previous prime is 1351103503181. The next prime is 1351103503231. The reversal of 1351103503211 is 1123053011531.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351103503211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351103503231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205005 + ... + 2750318.

It is an arithmetic number, because the mean of its divisors is an integer number (105310545648).

Almost surely, 2^{1351103503211} is an apocalyptic number.

1351103503211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1351103503211 is a deficient number, since it is larger than the sum of its proper divisors (333865227157).

1351103503211 is a wasteful number, since it uses less digits than its factorization.

1351103503211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958882.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 1351103503211 its reverse (1123053011531), we get a palindrome (2474156514742).

The spelling of 1351103503211 in words is "one trillion, three hundred fifty-one billion, one hundred three million, five hundred three thousand, two hundred eleven".