1351061434511 has 4 divisors (see below), whose sum is σ = 1351266863232. Its totient is φ = 1350856005792.

The previous prime is 1351061434441. The next prime is 1351061434687. The reversal of 1351061434511 is 1154341601531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1351061434511 - 2¹⁰ = 1351061433487 is a prime.

It is a super-2 number, since 2×1351061434511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351061434711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102704495 + ... + 102717648.

It is an arithmetic number, because the mean of its divisors is an integer number (337816715808).

Almost surely, 2^{1351061434511} is an apocalyptic number.

1351061434511 is a deficient number, since it is larger than the sum of its proper divisors (205428721).

1351061434511 is an equidigital number, since it uses as much as digits as its factorization.

1351061434511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205428720.

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

The spelling of 1351061434511 in words is "one trillion, three hundred fifty-one billion, sixty-one million, four hundred thirty-four thousand, five hundred eleven".