551212223135 has 16 divisors (see below), whose sum is σ = 758638412352. Its totient is φ = 376628985600.

The previous prime is 551212223117. The next prime is 551212223171. The reversal of 551212223135 is 531322212155.

It is not a de Polignac number, because 551212223135 - 2⁶ = 551212223071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28013156 + ... + 28032825.

It is an arithmetic number, because the mean of its divisors is an integer number (47414900772).

Almost surely, 2^551212223135 is an apocalyptic number.

551212223135 is a deficient number, since it is larger than the sum of its proper divisors (207426189217).

551212223135 is a wasteful number, since it uses less digits than its factorization.

551212223135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56046274.

The product of its digits is 18000, while the sum is 32.

The spelling of 551212223135 in words is "five hundred fifty-one billion, two hundred twelve million, two hundred twenty-three thousand, one hundred thirty-five".