1147398739200 has 648 divisors, whose sum is σ = 4894351949760. Its totient is φ = 262260633600.

The previous prime is 1147398739199. The next prime is 1147398739219. The reversal of 1147398739200 is 29378937411.

1147398739200 is a `hidden beast` number, since 1 + 1 + 47 + 398 + 7 + 3 + 9 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8399445 + ... + 8534955.

Almost surely, 2^{1147398739200} is an apocalyptic number.

1147398739200 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 1147398739200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2447175974880).

1147398739200 is an abundant number, since it is smaller than the sum of its proper divisors (3746953210560).

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

1147398739200 is a wasteful number, since it uses less digits than its factorization.

1147398739200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135560 (or 135528 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 1147398739200 in words is "one trillion, one hundred forty-seven billion, three hundred ninety-eight million, seven hundred thirty-nine thousand, two hundred".