1129112916828 has 24 divisors (see below), whose sum is σ = 2837258099088. Its totient is φ = 347419358976.

The previous prime is 1129112916821. The next prime is 1129112916829. The reversal of 1129112916828 is 8286192119211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129112916821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618951501 + ... + 3618951812.

It is an arithmetic number, because the mean of its divisors is an integer number (118219087462).

Almost surely, 2^{1129112916828} is an apocalyptic number.

It is an amenable number.

1129112916828 is an abundant number, since it is smaller than the sum of its proper divisors (1708145182260).

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

1129112916828 is a wasteful number, since it uses less digits than its factorization.

1129112916828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237903333 (or 7237903331 counting only the distinct ones).

The product of its digits is 248832, while the sum is 51.

The spelling of 1129112916828 in words is "one trillion, one hundred twenty-nine billion, one hundred twelve million, nine hundred sixteen thousand, eight hundred twenty-eight".