551102105040504 has 64 divisors (see below), whose sum is σ = 1379636995737600. Its totient is φ = 183449871148416.

The previous prime is 551102105040493. The next prime is 551102105040521. The reversal of 551102105040504 is 405040501201155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129313177 + ... + 133506935.

It is an arithmetic number, because the mean of its divisors is an integer number (21556828058400).

Almost surely, 2^{551102105040504} is an apocalyptic number.

It is an amenable number.

551102105040504 is an abundant number, since it is smaller than the sum of its proper divisors (828534890697096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551102105040504 is a wasteful number, since it uses less digits than its factorization.

551102105040504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201244 (or 4201240 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 551102105040504 its reverse (405040501201155), we get a palindrome (956142606241659).

The spelling of 551102105040504 in words is "five hundred fifty-one trillion, one hundred two billion, one hundred five million, forty thousand, five hundred four".