1177811177242 has 32 divisors (see below), whose sum is σ = 2137984934400. Its totient is φ = 475059237120.

The previous prime is 1177811177239. The next prime is 1177811177243. The reversal of 1177811177242 is 2427711187711.

It is not an unprimeable number, because it can be changed into a prime (1177811177243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4975384 + ... + 5206732.

It is an arithmetic number, because the mean of its divisors is an integer number (66812029200).

Almost surely, 2^{1177811177242} is an apocalyptic number.

1177811177242 is a deficient number, since it is larger than the sum of its proper divisors (960173757158).

1177811177242 is a wasteful number, since it uses less digits than its factorization.

1177811177242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252766.

The product of its digits is 307328, while the sum is 49.

The spelling of 1177811177242 in words is "one trillion, one hundred seventy-seven billion, eight hundred eleven million, one hundred seventy-seven thousand, two hundred forty-two".