1171046610987 has 16 divisors (see below), whose sum is σ = 1705370768640. Its totient is φ = 708879284000.

The previous prime is 1171046610967. The next prime is 1171046611003. The reversal of 1171046610987 is 7890166401711.

It is a cyclic number.

It is not a de Polignac number, because 1171046610987 - 2¹⁴ = 1171046594603 is a prime.

It is a super-2 number, since 2×1171046610987² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1171046610917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21120264 + ... + 21175637.

It is an arithmetic number, because the mean of its divisors is an integer number (106585673040).

Almost surely, 2^{1171046610987} is an apocalyptic number.

1171046610987 is a deficient number, since it is larger than the sum of its proper divisors (534324157653).

1171046610987 is a wasteful number, since it uses less digits than its factorization.

1171046610987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42296754.

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 1171046610987 in words is "one trillion, one hundred seventy-one billion, forty-six million, six hundred ten thousand, nine hundred eighty-seven".