1129456228450 has 24 divisors (see below), whose sum is σ = 2291769366480. Its totient is φ = 410711355600.

The previous prime is 1129456228393. The next prime is 1129456228477. The reversal of 1129456228450 is 548226549211.

It is a junction number, because it is equal to n+sod(n) for n = 1129456228394 and 1129456228403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1026777840 + ... + 1026778939.

It is an arithmetic number, because the mean of its divisors is an integer number (95490390270).

Almost surely, 2^{1129456228450} is an apocalyptic number.

1129456228450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129456228450 is an abundant number, since it is smaller than the sum of its proper divisors (1162313138030).

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

1129456228450 is a wasteful number, since it uses less digits than its factorization.

1129456228450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053556802 (or 2053556797 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 1129456228450 in words is "one trillion, one hundred twenty-nine billion, four hundred fifty-six million, two hundred twenty-eight thousand, four hundred fifty".