1129917012428 has 6 divisors (see below), whose sum is σ = 1977354771756. Its totient is φ = 564958506212.

The previous prime is 1129917012391. The next prime is 1129917012437. The reversal of 1129917012428 is 8242107199211.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141239626550 + ... + 141239626557.

It is an arithmetic number, because the mean of its divisors is an integer number (329559128626).

Almost surely, 2^{1129917012428} is an apocalyptic number.

It is an amenable number.

1129917012428 is a deficient number, since it is larger than the sum of its proper divisors (847437759328).

1129917012428 is a wasteful number, since it uses less digits than its factorization.

1129917012428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282479253111 (or 282479253109 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 1129917012428 in words is "one trillion, one hundred twenty-nine billion, nine hundred seventeen million, twelve thousand, four hundred twenty-eight".