551105005004 has 24 divisors (see below), whose sum is σ = 979362978048. Its totient is φ = 271297691280.

The previous prime is 551105004997. The next prime is 551105005057. The reversal of 551105005004 is 400500501155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128134 + ... + 1541069.

It is an arithmetic number, because the mean of its divisors is an integer number (40806790752).

Almost surely, 2^551105005004 is an apocalyptic number.

It is an amenable number.

551105005004 is a deficient number, since it is larger than the sum of its proper divisors (428257973044).

551105005004 is a wasteful number, since it uses less digits than its factorization.

551105005004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670005 (or 2670003 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

Adding to 551105005004 its reverse (400500501155), we get a palindrome (951605506159).

The spelling of 551105005004 in words is "five hundred fifty-one billion, one hundred five million, five thousand, four".