1550450451311 has 4 divisors (see below), whose sum is σ = 1550453299824. Its totient is φ = 1550447602800.

The previous prime is 1550450451307. The next prime is 1550450451373. The reversal of 1550450451311 is 1131540540551.

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 1550450451311 - 2² = 1550450451307 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 (1550450451391) 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 3 ways as a sum of consecutive naturals, for example, 324995 + ... + 1790676.

It is an arithmetic number, because the mean of its divisors is an integer number (387613324956).

Almost surely, 2^{1550450451311} is an apocalyptic number.

1550450451311 is a deficient number, since it is larger than the sum of its proper divisors (2848513).

1550450451311 is an equidigital number, since it uses as much as digits as its factorization.

1550450451311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848512.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 1550450451311 its reverse (1131540540551), we get a palindrome (2681990991862).

The spelling of 1550450451311 in words is "one trillion, five hundred fifty billion, four hundred fifty million, four hundred fifty-one thousand, three hundred eleven".