15551141200 has 60 divisors (see below), whose sum is σ = 42698998240. Its totient is φ = 5331818880.

The previous prime is 15551141197. The next prime is 15551141209. The reversal of 15551141200 is 214115551.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15551141209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2774190 + ... + 2779789.

Almost surely, 2^15551141200 is an apocalyptic number.

15551141200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15551141200 is an abundant number, since it is smaller than the sum of its proper divisors (27147857040).

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

15551141200 is a wasteful number, since it uses less digits than its factorization.

15551141200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554004 (or 5553993 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 15551141200 its reverse (214115551), we get a palindrome (15765256751).

The spelling of 15551141200 in words is "fifteen billion, five hundred fifty-one million, one hundred forty-one thousand, two hundred".