551061045211 has 4 divisors (see below), whose sum is σ = 552183369624. Its totient is φ = 549938720800.

The previous prime is 551061045181. The next prime is 551061045221. The reversal of 551061045211 is 112540160155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551061045211 - 2²⁵ = 551027490779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551061045221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561161470 + ... + 561162451.

It is an arithmetic number, because the mean of its divisors is an integer number (138045842406).

Almost surely, 2^551061045211 is an apocalyptic number.

551061045211 is a deficient number, since it is larger than the sum of its proper divisors (1122324413).

551061045211 is a wasteful number, since it uses less digits than its factorization.

551061045211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122324412.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 551061045211 in words is "five hundred fifty-one billion, sixty-one million, forty-five thousand, two hundred eleven".