1149122359800 has 288 divisors, whose sum is σ = 4212705369600. Its totient is φ = 290304362880.

The previous prime is 1149122359747. The next prime is 1149122359829. The reversal of 1149122359800 is 89532219411.

1149122359800 is a `hidden beast` number, since 1 + 1 + 49 + 12 + 2 + 3 + 598 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 301177 + ... + 1545623.

It is an arithmetic number, because the mean of its divisors is an integer number (14627449200).

Almost surely, 2^{1149122359800} is an apocalyptic number.

1149122359800 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 1149122359800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106352684800).

1149122359800 is an abundant number, since it is smaller than the sum of its proper divisors (3063583009800).

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

1149122359800 is a wasteful number, since it uses less digits than its factorization.

1149122359800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244497 (or 1244476 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 1149122359800 in words is "one trillion, one hundred forty-nine billion, one hundred twenty-two million, three hundred fifty-nine thousand, eight hundred".