1177481047557 has 8 divisors (see below), whose sum is σ = 1570559026176. Its totient is φ = 784695216992.

The previous prime is 1177481047543. The next prime is 1177481047559. The reversal of 1177481047557 is 7557401847711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1177481047557 - 2¹² = 1177481043461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1177481047497 and 1177481047506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177481047559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73027608 + ... + 73043729.

It is an arithmetic number, because the mean of its divisors is an integer number (196319878272).

Almost surely, 2^{1177481047557} is an apocalyptic number.

It is an amenable number.

1177481047557 is a deficient number, since it is larger than the sum of its proper divisors (393077978619).

1177481047557 is a wasteful number, since it uses less digits than its factorization.

1177481047557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146074027.

The product of its (nonzero) digits is 7683200, while the sum is 57.

The spelling of 1177481047557 in words is "one trillion, one hundred seventy-seven billion, four hundred eighty-one million, forty-seven thousand, five hundred fifty-seven".