1129780736616 has 128 divisors (see below), whose sum is σ = 3431843665920. Its totient is φ = 302934238464.

The previous prime is 1129780736519. The next prime is 1129780736653. The reversal of 1129780736616 is 6166370879211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2553570 + ... + 2963153.

It is an arithmetic number, because the mean of its divisors is an integer number (26811278640).

Almost surely, 2^{1129780736616} is an apocalyptic number.

It is an amenable number.

1129780736616 is an abundant number, since it is smaller than the sum of its proper divisors (2302062929304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129780736616 is a wasteful number, since it uses less digits than its factorization.

1129780736616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516815 (or 5516811 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 1129780736616 in words is "one trillion, one hundred twenty-nine billion, seven hundred eighty million, seven hundred thirty-six thousand, six hundred sixteen".