1147863660365 has 16 divisors (see below), whose sum is σ = 1394085168000. Its totient is φ = 907192588992.

The previous prime is 1147863660323. The next prime is 1147863660367. The reversal of 1147863660365 is 5630663687411.

It is a cyclic number.

It is not a de Polignac number, because 1147863660365 - 2¹⁸ = 1147863398221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147863660365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147863660367) 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, 20252336 + ... + 20308934.

It is an arithmetic number, because the mean of its divisors is an integer number (87130323000).

Almost surely, 2^{1147863660365} is an apocalyptic number.

It is an amenable number.

1147863660365 is a deficient number, since it is larger than the sum of its proper divisors (246221507635).

1147863660365 is an equidigital number, since it uses as much as digits as its factorization.

1147863660365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105556.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 1147863660365 in words is "one trillion, one hundred forty-seven billion, eight hundred sixty-three million, six hundred sixty thousand, three hundred sixty-five".