551106520535 has 4 divisors (see below), whose sum is σ = 661327824648. Its totient is φ = 440885216424.

The previous prime is 551106520507. The next prime is 551106520571. The reversal of 551106520535 is 535025601155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535025601155 = 5 ⋅107005120231.

It is a cyclic number.

It is not a de Polignac number, because 551106520535 - 2¹⁰ = 551106519511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55110652049 + ... + 55110652058.

It is an arithmetic number, because the mean of its divisors is an integer number (165331956162).

Almost surely, 2^551106520535 is an apocalyptic number.

551106520535 is a deficient number, since it is larger than the sum of its proper divisors (110221304113).

551106520535 is a wasteful number, since it uses less digits than its factorization.

551106520535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110221304112.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 551106520535 in words is "five hundred fifty-one billion, one hundred six million, five hundred twenty thousand, five hundred thirty-five".