551515451120 has 80 divisors (see below), whose sum is σ = 1358000144928. Its totient is φ = 207583641600.

The previous prime is 551515451119. The next prime is 551515451153. The reversal of 551515451120 is 21154515155.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6487127 + ... + 6571593.

Almost surely, 2^551515451120 is an apocalyptic number.

It is an amenable number.

551515451120 is an abundant number, since it is smaller than the sum of its proper divisors (806484693808).

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

551515451120 is a wasteful number, since it uses less digits than its factorization.

551515451120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89298 (or 89292 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 35.

Adding to 551515451120 its reverse (21154515155), we get a palindrome (572669966275).

The spelling of 551515451120 in words is "five hundred fifty-one billion, five hundred fifteen million, four hundred fifty-one thousand, one hundred twenty".