1129423263452 has 24 divisors (see below), whose sum is σ = 2283005314800. Its totient is φ = 483175727360.

The previous prime is 1129423263431. The next prime is 1129423263491. The reversal of 1129423263452 is 2543623249211.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754961327 + ... + 754962822.

It is an arithmetic number, because the mean of its divisors is an integer number (95125221450).

Almost surely, 2^{1129423263452} is an apocalyptic number.

It is an amenable number.

1129423263452 is an abundant number, since it is smaller than the sum of its proper divisors (1153582051348).

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

1129423263452 is a wasteful number, since it uses less digits than its factorization.

1129423263452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509924181 (or 1509924179 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The spelling of 1129423263452 in words is "one trillion, one hundred twenty-nine billion, four hundred twenty-three million, two hundred sixty-three thousand, four hundred fifty-two".