11398420051200 has 3888 divisors, whose sum is σ = 55173042171520. Its totient is φ = 2263853629440.

The previous prime is 11398420051199. The next prime is 11398420051211. The reversal of 11398420051200 is 215002489311.

11398420051200 is a `hidden beast` number, since 1 + 13 + 98 + 42 + 0 + 0 + 512 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3888).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 72601401522 + ... + 72601401678.

Almost surely, 2^{11398420051200} is an apocalyptic number.

11398420051200 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 11398420051200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27586521085760).

11398420051200 is an abundant number, since it is smaller than the sum of its proper divisors (43774622120320).

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

11398420051200 is an equidigital number, since it uses as much as digits as its factorization.

11398420051200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 11398420051200 in words is "eleven trillion, three hundred ninety-eight billion, four hundred twenty million, fifty-one thousand, two hundred".