1129894851899 has 16 divisors (see below), whose sum is σ = 1276518921216. Its totient is φ = 990804376800.

The previous prime is 1129894851857. The next prime is 1129894851907. The reversal of 1129894851899 is 9981584989211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1129894851899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129894871899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5291852 + ... + 5501225.

It is an arithmetic number, because the mean of its divisors is an integer number (79782432576).

Almost surely, 2^{1129894851899} is an apocalyptic number.

1129894851899 is a deficient number, since it is larger than the sum of its proper divisors (146624069317).

1129894851899 is a wasteful number, since it uses less digits than its factorization.

1129894851899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793426.

The product of its digits is 134369280, while the sum is 74.

The spelling of 1129894851899 in words is "one trillion, one hundred twenty-nine billion, eight hundred ninety-four million, eight hundred fifty-one thousand, eight hundred ninety-nine".