1129731855319 has 8 divisors (see below), whose sum is σ = 1162647641888. Its totient is φ = 1096941463200.

The previous prime is 1129731855233. The next prime is 1129731855349. The reversal of 1129731855319 is 9135581379211.

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 1129731855319 - 2⁷ = 1129731855191 is a prime.

It is a super-2 number, since 2×1129731855319² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1129731855319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129731855349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31330332 + ... + 31366369.

It is an arithmetic number, because the mean of its divisors is an integer number (145330955236).

Almost surely, 2^{1129731855319} is an apocalyptic number.

1129731855319 is a deficient number, since it is larger than the sum of its proper divisors (32915786569).

1129731855319 is an equidigital number, since it uses as much as digits as its factorization.

1129731855319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62697225.

The product of its digits is 2041200, while the sum is 55.

The spelling of 1129731855319 in words is "one trillion, one hundred twenty-nine billion, seven hundred thirty-one million, eight hundred fifty-five thousand, three hundred nineteen".