1129664865927 has 8 divisors (see below), whose sum is σ = 1622082884464. Its totient is φ = 695178379008.

The previous prime is 1129664865911. The next prime is 1129664865929. The reversal of 1129664865927 is 7295684669211.

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

It is not a de Polignac number, because 1129664865927 - 2⁴ = 1129664865911 is a prime.

It is a super-2 number, since 2×1129664865927² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129664865929) 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, 14482882858 + ... + 14482882935.

It is an arithmetic number, because the mean of its divisors is an integer number (202760360558).

Almost surely, 2^{1129664865927} is an apocalyptic number.

1129664865927 is a deficient number, since it is larger than the sum of its proper divisors (492418018537).

1129664865927 is a wasteful number, since it uses less digits than its factorization.

1129664865927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28965765809.

The product of its digits is 78382080, while the sum is 66.

The spelling of 1129664865927 in words is "one trillion, one hundred twenty-nine billion, six hundred sixty-four million, eight hundred sixty-five thousand, nine hundred twenty-seven".