1129486381635 has 16 divisors (see below), whose sum is σ = 1902292853760. Its totient is φ = 570687855840.

The previous prime is 1129486381633. The next prime is 1129486381679. The reversal of 1129486381635 is 5361836849211.

It is not a de Polignac number, because 1129486381635 - 2¹ = 1129486381633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1129486381633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1981554771 + ... + 1981555340.

It is an arithmetic number, because the mean of its divisors is an integer number (118893303360).

Almost surely, 2^{1129486381635} is an apocalyptic number.

1129486381635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1129486381635 is a deficient number, since it is larger than the sum of its proper divisors (772806472125).

1129486381635 is a wasteful number, since it uses less digits than its factorization.

1129486381635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963110138.

The product of its digits is 7464960, while the sum is 57.

The spelling of 1129486381635 in words is "one trillion, one hundred twenty-nine billion, four hundred eighty-six million, three hundred eighty-one thousand, six hundred thirty-five".