551211234120 has 96 divisors (see below), whose sum is σ = 1791732571200. Its totient is φ = 146965370496.

The previous prime is 551211234073. The next prime is 551211234137. The reversal of 551211234120 is 21432112155.

It is a happy number.

551211234120 is a `hidden beast` number, since 5 + 5 + 121 + 123 + 412 + 0 = 666.

551211234120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2109661 + ... + 2356499.

It is an arithmetic number, because the mean of its divisors is an integer number (18663880950).

Almost surely, 2^551211234120 is an apocalyptic number.

It is an amenable number.

551211234120 is an abundant number, since it is smaller than the sum of its proper divisors (1240521337080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551211234120 is a wasteful number, since it uses less digits than its factorization.

551211234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253059 (or 253052 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 551211234120 its reverse (21432112155), we get a palindrome (572643346275).

The spelling of 551211234120 in words is "five hundred fifty-one billion, two hundred eleven million, two hundred thirty-four thousand, one hundred twenty".