1149596623872 has 528 divisors, whose sum is σ = 3659851278720. Its totient is φ = 359178043392.

The previous prime is 1149596623871. The next prime is 1149596623883. The reversal of 1149596623872 is 2783266959411.

1149596623872 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 596 + 6 + 2 + 38 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1149596623871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1518621318 + ... + 1518622074.

Almost surely, 2^{1149596623872} is an apocalyptic number.

1149596623872 is a gapful number since it is divisible by the number (12) 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 1149596623872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829925639360).

1149596623872 is an abundant number, since it is smaller than the sum of its proper divisors (2510254654848).

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

1149596623872 is an equidigital number, since it uses as much as digits as its factorization.

1149596623872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1138 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 1149596623872 in words is "one trillion, one hundred forty-nine billion, five hundred ninety-six million, six hundred twenty-three thousand, eight hundred seventy-two".