1177311866041 has 4 divisors (see below), whose sum is σ = 1177403023332. Its totient is φ = 1177220708752.

The previous prime is 1177311866039. The next prime is 1177311866047. The reversal of 1177311866041 is 1406681137711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 957354618025 + 219957248016 = 978445^2 + 468996^2 .

It is a cyclic number.

It is not a de Polignac number, because 1177311866041 - 2¹ = 1177311866039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1177311865982 and 1177311866000.

It is not an unprimeable number, because it can be changed into a prime (1177311866047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45559270 + ... + 45585103.

It is an arithmetic number, because the mean of its divisors is an integer number (294350755833).

Almost surely, 2^{1177311866041} is an apocalyptic number.

It is an amenable number.

1177311866041 is a deficient number, since it is larger than the sum of its proper divisors (91157291).

1177311866041 is an equidigital number, since it uses as much as digits as its factorization.

1177311866041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91157290.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 1177311866041 in words is "one trillion, one hundred seventy-seven billion, three hundred eleven million, eight hundred sixty-six thousand, forty-one".