1191360493647 has 24 divisors (see below), whose sum is σ = 1738639440720. Its totient is φ = 786046239360.

The previous prime is 1191360493627. The next prime is 1191360493649. The reversal of 1191360493647 is 7463940631911.

1191360493647 is a `hidden beast` number, since 1 + 1 + 91 + 3 + 6 + 0 + 493 + 64 + 7 = 666.

It is not a de Polignac number, because 1191360493647 - 2¹² = 1191360489551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1191360493593 and 1191360493602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191360493649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377379 + ... + 1589067.

It is an arithmetic number, because the mean of its divisors is an integer number (72443310030).

Almost surely, 2^{1191360493647} is an apocalyptic number.

1191360493647 is a deficient number, since it is larger than the sum of its proper divisors (547278947073).

1191360493647 is a wasteful number, since it uses less digits than its factorization.

1191360493647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212823 (or 1212820 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 1191360493647 in words is "one trillion, one hundred ninety-one billion, three hundred sixty million, four hundred ninety-three thousand, six hundred forty-seven".