1197559145516 has 6 divisors (see below), whose sum is σ = 2095728504660. Its totient is φ = 598779572756.

The previous prime is 1197559145513. The next prime is 1197559145537. The reversal of 1197559145516 is 6155419557911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1197559145513) 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 as a sum of consecutive naturals, namely, 149694893186 + ... + 149694893193.

It is an arithmetic number, because the mean of its divisors is an integer number (349288084110).

Almost surely, 2^{1197559145516} is an apocalyptic number.

It is an amenable number.

1197559145516 is a deficient number, since it is larger than the sum of its proper divisors (898169359144).

1197559145516 is a wasteful number, since it uses less digits than its factorization.

1197559145516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299389786383 (or 299389786381 counting only the distinct ones).

The product of its digits is 8505000, while the sum is 59.

The spelling of 1197559145516 in words is "one trillion, one hundred ninety-seven billion, five hundred fifty-nine million, one hundred forty-five thousand, five hundred sixteen".