1551141200 has 120 divisors (see below), whose sum is σ = 4509657792. Its totient is φ = 500520960.

The previous prime is 1551141199. The next prime is 1551141239. The reversal of 1551141200 is 21411551.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31307 + ... + 63893.

Almost surely, 2^1551141200 is an apocalyptic number.

1551141200 is a gapful number since it is divisible by the number (10) 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 1551141200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254828896).

1551141200 is an abundant number, since it is smaller than the sum of its proper divisors (2958516592).

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

1551141200 is a wasteful number, since it uses less digits than its factorization.

1551141200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32629 (or 32618 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1551141200 is about 39384.5299578400. The cubic root of 1551141200 is about 1157.5784800631.

Adding to 1551141200 its reverse (21411551), we get a palindrome (1572552751).

The spelling of 1551141200 in words is "one billion, five hundred fifty-one million, one hundred forty-one thousand, two hundred".