1129016916042 has 16 divisors (see below), whose sum is σ = 2258268402432. Its totient is φ = 376299876960.

The previous prime is 1129016915989. The next prime is 1129016916043. The reversal of 1129016916042 is 2406196109211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1129016915985 and 1129016916003.

It is not an unprimeable number, because it can be changed into a prime (1129016916043) 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, 9711163 + ... + 9826734.

It is an arithmetic number, because the mean of its divisors is an integer number (141141775152).

Almost surely, 2^{1129016916042} is an apocalyptic number.

1129016916042 is an abundant number, since it is smaller than the sum of its proper divisors (1129251486390).

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

1129016916042 is a wasteful number, since it uses less digits than its factorization.

1129016916042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19547533.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 1129016916042 in words is "one trillion, one hundred twenty-nine billion, sixteen million, nine hundred sixteen thousand, forty-two".