1451343545111 has 4 divisors (see below), whose sum is σ = 1451347009824. Its totient is φ = 1451340080400.

The previous prime is 1451343545077. The next prime is 1451343545129. The reversal of 1451343545111 is 1115453431541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451343545111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451343545411) 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, 1001135 + ... + 1976096.

It is an arithmetic number, because the mean of its divisors is an integer number (362836752456).

Almost surely, 2^{1451343545111} is an apocalyptic number.

1451343545111 is a deficient number, since it is larger than the sum of its proper divisors (3464713).

1451343545111 is an equidigital number, since it uses as much as digits as its factorization.

1451343545111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464712.

The product of its digits is 72000, while the sum is 38.

Adding to 1451343545111 its reverse (1115453431541), we get a palindrome (2566796976652).

The spelling of 1451343545111 in words is "one trillion, four hundred fifty-one billion, three hundred forty-three million, five hundred forty-five thousand, one hundred eleven".