1129405039311 has 8 divisors (see below), whose sum is σ = 1508763739824. Its totient is φ = 751491515840.

The previous prime is 1129405039271. The next prime is 1129405039331. The reversal of 1129405039311 is 1139305049211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1129405039311 - 2⁹ = 1129405038799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1129405039311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129405039331) 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, 361292436 + ... + 361295561.

It is an arithmetic number, because the mean of its divisors is an integer number (188595467478).

Almost surely, 2^{1129405039311} is an apocalyptic number.

1129405039311 is a deficient number, since it is larger than the sum of its proper divisors (379358700513).

1129405039311 is an equidigital number, since it uses as much as digits as its factorization.

1129405039311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722588521.

The product of its (nonzero) digits is 29160, while the sum is 39.

The spelling of 1129405039311 in words is "one trillion, one hundred twenty-nine billion, four hundred five million, thirty-nine thousand, three hundred eleven".