1551223233200 has 60 divisors (see below), whose sum is σ = 3888849224208. Its totient is φ = 593511494400.

The previous prime is 1551223233113. The next prime is 1551223233233. The reversal of 1551223233200 is 23323221551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84296411 + ... + 84314810.

Almost surely, 2^{1551223233200} is an apocalyptic number.

1551223233200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551223233200 is an abundant number, since it is smaller than the sum of its proper divisors (2337625991008).

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

1551223233200 is a wasteful number, since it uses less digits than its factorization.

1551223233200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168611262 (or 168611251 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1551223233200 its reverse (23323221551), we get a palindrome (1574546454751).

The spelling of 1551223233200 in words is "one trillion, five hundred fifty-one billion, two hundred twenty-three million, two hundred thirty-three thousand, two hundred".