1129866415948 has 12 divisors (see below), whose sum is σ = 1977285983400. Its totient is φ = 564927563552.

The previous prime is 1129866415829. The next prime is 1129866415981. The reversal of 1129866415948 is 8495146689211.

It is a self number, because there is not a number n which added to its sum of digits gives 1129866415948.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 943498 + ... + 1774801.

It is an arithmetic number, because the mean of its divisors is an integer number (164773831950).

Almost surely, 2^{1129866415948} is an apocalyptic number.

It is an amenable number.

1129866415948 is a deficient number, since it is larger than the sum of its proper divisors (847419567452).

1129866415948 is a wasteful number, since it uses less digits than its factorization.

1129866415948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822216 (or 2822214 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 64.

The spelling of 1129866415948 in words is "one trillion, one hundred twenty-nine billion, eight hundred sixty-six million, four hundred fifteen thousand, nine hundred forty-eight".