1171370777906 has 64 divisors (see below), whose sum is σ = 2193245675520. Its totient is φ = 457867054080.

The previous prime is 1171370777891. The next prime is 1171370777917. The reversal of 1171370777906 is 6097770731711.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1223465 + ... + 1959491.

It is an arithmetic number, because the mean of its divisors is an integer number (34269463680).

Almost surely, 2^{1171370777906} is an apocalyptic number.

1171370777906 is a deficient number, since it is larger than the sum of its proper divisors (1021874897614).

1171370777906 is a wasteful number, since it uses less digits than its factorization.

1171370777906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736279.

The product of its (nonzero) digits is 2722734, while the sum is 56.

The spelling of 1171370777906 in words is "one trillion, one hundred seventy-one billion, three hundred seventy million, seven hundred seventy-seven thousand, nine hundred six".