1551412422003 has 4 divisors (see below), whose sum is σ = 2068549896008. Its totient is φ = 1034274948000.

The previous prime is 1551412421987. The next prime is 1551412422013. The reversal of 1551412422003 is 3002242141551.

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

It is not a de Polignac number, because 1551412422003 - 2⁴ = 1551412421987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1551412422013) 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, 258568736998 + ... + 258568737003.

It is an arithmetic number, because the mean of its divisors is an integer number (517137474002).

Almost surely, 2^{1551412422003} is an apocalyptic number.

1551412422003 is a deficient number, since it is larger than the sum of its proper divisors (517137474005).

1551412422003 is an equidigital number, since it uses as much as digits as its factorization.

1551412422003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517137474004.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1551412422003 its reverse (3002242141551), we get a palindrome (4553654563554).

The spelling of 1551412422003 in words is "one trillion, five hundred fifty-one billion, four hundred twelve million, four hundred twenty-two thousand, three".