551422120555524 has 12 divisors (see below), whose sum is σ = 1286651614629584. Its totient is φ = 183807373518504.

The previous prime is 551422120555487. The next prime is 551422120555529. The reversal of 551422120555524 is 425555021224155.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (551422120555529) 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, 22975921689802 + ... + 22975921689825.

Almost surely, 2^{551422120555524} is an apocalyptic number.

It is an amenable number.

551422120555524 is an abundant number, since it is smaller than the sum of its proper divisors (735229494074060).

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

551422120555524 is a wasteful number, since it uses less digits than its factorization.

551422120555524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45951843379634 (or 45951843379632 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 48.

Adding to 551422120555524 its reverse (425555021224155), we get a palindrome (976977141779679).

The spelling of 551422120555524 in words is "five hundred fifty-one trillion, four hundred twenty-two billion, one hundred twenty million, five hundred fifty-five thousand, five hundred twenty-four".