551320120452 has 24 divisors (see below), whose sum is σ = 1321181550976. Its totient is φ = 178806525408.

The previous prime is 551320120411. The next prime is 551320120459. The reversal of 551320120452 is 254021023155.

It is not an unprimeable number, because it can be changed into a prime (551320120459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620855548 + ... + 620856435.

Almost surely, 2^551320120452 is an apocalyptic number.

It is an amenable number.

551320120452 is an abundant number, since it is smaller than the sum of its proper divisors (769861430524).

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

551320120452 is a wasteful number, since it uses less digits than its factorization.

551320120452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241712027 (or 1241712025 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 551320120452 in words is "five hundred fifty-one billion, three hundred twenty million, one hundred twenty thousand, four hundred fifty-two".