551415312000 has 768 divisors, whose sum is σ = 2272337982720. Its totient is φ = 125527449600.

The previous prime is 551415311989. The next prime is 551415312031. The reversal of 551415312000 is 213514155.

551415312000 is a `hidden beast` number, since 551 + 41 + 53 + 1 + 20 + 0 + 0 = 666.

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, 285263034 + ... + 285264966.

It is an arithmetic number, because the mean of its divisors is an integer number (2958773415).

Almost surely, 2^551415312000 is an apocalyptic number.

551415312000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551415312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136168991360).

551415312000 is an abundant number, since it is smaller than the sum of its proper divisors (1720922670720).

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

551415312000 is a wasteful number, since it uses less digits than its factorization.

551415312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 551415312000 its reverse (213514155), we get a palindrome (551628826155).

The spelling of 551415312000 in words is "five hundred fifty-one billion, four hundred fifteen million, three hundred twelve thousand".