1550211100143 has 8 divisors (see below), whose sum is σ = 2067114859056. Its totient is φ = 1033390704000.

The previous prime is 1550211100127. The next prime is 1550211100183. The reversal of 1550211100143 is 3410011120551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1550211100143 - 2⁴ = 1550211100127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550211100183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20797288 + ... + 20871693.

It is an arithmetic number, because the mean of its divisors is an integer number (258389357382).

Almost surely, 2^{1550211100143} is an apocalyptic number.

1550211100143 is a deficient number, since it is larger than the sum of its proper divisors (516903758913).

1550211100143 is a wasteful number, since it uses less digits than its factorization.

1550211100143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41681385.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 1550211100143 its reverse (3410011120551), we get a palindrome (4960222220694).

The spelling of 1550211100143 in words is "one trillion, five hundred fifty billion, two hundred eleven million, one hundred thousand, one hundred forty-three".