11415551200 has 36 divisors (see below), whose sum is σ = 27868216320. Its totient is φ = 4566220160.

The previous prime is 11415551183. The next prime is 11415551209. The reversal of 11415551200 is 215551411.

11415551200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (11415551209) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7133920 + ... + 7135519.

It is an arithmetic number, because the mean of its divisors is an integer number (774117120).

Almost surely, 2^11415551200 is an apocalyptic number.

11415551200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11415551200 is an abundant number, since it is smaller than the sum of its proper divisors (16452665120).

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

11415551200 is a wasteful number, since it uses less digits than its factorization.

11415551200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14269459 (or 14269446 counting only the distinct ones).

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

The spelling of 11415551200 in words is "eleven billion, four hundred fifteen million, five hundred fifty-one thousand, two hundred".