1179974557997 has 16 divisors (see below), whose sum is σ = 1189928143872. Its totient is φ = 1170065575680.

The previous prime is 1179974557987. The next prime is 1179974558011. The reversal of 1179974557997 is 7997554799711.

It is a cyclic number.

It is not a de Polignac number, because 1179974557997 - 2⁴ = 1179974557981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179974557967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95747678 + ... + 95760000.

It is an arithmetic number, because the mean of its divisors is an integer number (74370508992).

Almost surely, 2^{1179974557997} is an apocalyptic number.

It is an amenable number.

1179974557997 is a deficient number, since it is larger than the sum of its proper divisors (9953585875).

1179974557997 is a wasteful number, since it uses less digits than its factorization.

1179974557997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14068.

The product of its digits is 1575296100, while the sum is 80.

The spelling of 1179974557997 in words is "one trillion, one hundred seventy-nine billion, nine hundred seventy-four million, five hundred fifty-seven thousand, nine hundred ninety-seven".