1129928536813 has 2 divisors, whose sum is σ = 1129928536814. Its totient is φ = 1129928536812.

The previous prime is 1129928536787. The next prime is 1129928536859. The reversal of 1129928536813 is 3186358299211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1096621556809 + 33306980004 = 1047197^2 + 182502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1129928536813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129928533813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564964268406 + 564964268407.

It is an arithmetic number, because the mean of its divisors is an integer number (564964268407).

Almost surely, 2^{1129928536813} is an apocalyptic number.

It is an amenable number.

1129928536813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129928536813 is an equidigital number, since it uses as much as digits as its factorization.

1129928536813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 58.

The spelling of 1129928536813 in words is "one trillion, one hundred twenty-nine billion, nine hundred twenty-eight million, five hundred thirty-six thousand, eight hundred thirteen".