551625117120 has 672 divisors, whose sum is σ = 2368729059840. Its totient is φ = 114468986880.

The previous prime is 551625117059. The next prime is 551625117217. The reversal of 551625117120 is 21711526155.

551625117120 is a `hidden beast` number, since 5 + 5 + 1 + 625 + 1 + 1 + 7 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 245930719 + ... + 245932961.

Almost surely, 2^551625117120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551625117120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184364529920).

551625117120 is an abundant number, since it is smaller than the sum of its proper divisors (1817103942720).

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

551625117120 is a wasteful number, since it uses less digits than its factorization.

551625117120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The spelling of 551625117120 in words is "five hundred fifty-one billion, six hundred twenty-five million, one hundred seventeen thousand, one hundred twenty".