551050510149 has 48 divisors (see below), whose sum is σ = 818787121152. Its totient is φ = 356925701664.

The previous prime is 551050510099. The next prime is 551050510187. The reversal of 551050510149 is 941015050155.

551050510149 is a `hidden beast` number, since 5 + 5 + 1 + 0 + 505 + 1 + 0 + 149 = 666.

It is not a de Polignac number, because 551050510149 - 2¹³ = 551050501957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551050518149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137657382 + ... + 137661384.

It is an arithmetic number, because the mean of its divisors is an integer number (17058065024).

Almost surely, 2^551050510149 is an apocalyptic number.

It is an amenable number.

551050510149 is a deficient number, since it is larger than the sum of its proper divisors (267736611003).

551050510149 is a wasteful number, since it uses less digits than its factorization.

551050510149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846 (or 5843 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 551050510149 in words is "five hundred fifty-one billion, fifty million, five hundred ten thousand, one hundred forty-nine".