1550404122003 has 32 divisors (see below), whose sum is σ = 2566818374400. Its totient is φ = 916720833600.

The previous prime is 1550404121963. The next prime is 1550404122019. The reversal of 1550404122003 is 3002214040551.

1550404122003 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 40 + 412 + 200 + 3 = 666.

It is not a de Polignac number, because 1550404122003 - 2³³ = 1541814187411 is a prime.

It is a super-4 number, since 4×1550404122003⁴ (a number of 50 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1550404122023) 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 31 ways as a sum of consecutive naturals, for example, 63648993 + ... + 63673346.

It is an arithmetic number, because the mean of its divisors is an integer number (80213074200).

Almost surely, 2^{1550404122003} is an apocalyptic number.

1550404122003 is a deficient number, since it is larger than the sum of its proper divisors (1016414252397).

1550404122003 is a wasteful number, since it uses less digits than its factorization.

1550404122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127322400 (or 127322394 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1550404122003 its reverse (3002214040551), we get a palindrome (4552618162554).

The spelling of 1550404122003 in words is "one trillion, five hundred fifty billion, four hundred four million, one hundred twenty-two thousand, three".