551435151320 has 64 divisors (see below), whose sum is σ = 1242574560000. Its totient is φ = 220246266240.

The previous prime is 551435151313. The next prime is 551435151361. The reversal of 551435151320 is 23151534155.

It is a super-2 number, since 2×551435151320² (a number of 24 digits) contains 22 as substring.

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, 91795757 + ... + 91801763.

It is an arithmetic number, because the mean of its divisors is an integer number (19415227500).

Almost surely, 2^551435151320 is an apocalyptic number.

It is an amenable number.

551435151320 is an abundant number, since it is smaller than the sum of its proper divisors (691139408680).

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

551435151320 is a wasteful number, since it uses less digits than its factorization.

551435151320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048 (or 9044 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 551435151320 its reverse (23151534155), we get a palindrome (574586685475).

The spelling of 551435151320 in words is "five hundred fifty-one billion, four hundred thirty-five million, one hundred fifty-one thousand, three hundred twenty".