551055611012 has 12 divisors (see below), whose sum is σ = 995455297536. Its totient is φ = 266639811720.

The previous prime is 551055611011. The next prime is 551055611021. The reversal of 551055611012 is 210116550155.

It is a self number, because there is not a number n which added to its sum of digits gives 551055611012.

It is not an unprimeable number, because it can be changed into a prime (551055611011) 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, 2221998308 + ... + 2221998555.

It is an arithmetic number, because the mean of its divisors is an integer number (82954608128).

Almost surely, 2^551055611012 is an apocalyptic number.

It is an amenable number.

551055611012 is a deficient number, since it is larger than the sum of its proper divisors (444399686524).

551055611012 is a wasteful number, since it uses less digits than its factorization.

551055611012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443996898 (or 4443996896 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 551055611012 in words is "five hundred fifty-one billion, fifty-five million, six hundred eleven thousand, twelve".