1129375949328 has 320 divisors, whose sum is σ = 3640379500800. Its totient is φ = 332309053440.

The previous prime is 1129375949297. The next prime is 1129375949369. The reversal of 1129375949328 is 8239495739211.

1129375949328 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 3 + 7 + 594 + 9 + 32 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24406918 + ... + 24453146.

It is an arithmetic number, because the mean of its divisors is an integer number (11376185940).

Almost surely, 2^{1129375949328} is an apocalyptic number.

1129375949328 is a gapful number since it is divisible by the number (18) 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 1129375949328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820189750400).

1129375949328 is an abundant number, since it is smaller than the sum of its proper divisors (2511003551472).

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

1129375949328 is a wasteful number, since it uses less digits than its factorization.

1129375949328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46407 (or 46395 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 1129375949328 in words is "one trillion, one hundred twenty-nine billion, three hundred seventy-five million, nine hundred forty-nine thousand, three hundred twenty-eight".