1241165554365 has 144 divisors (see below), whose sum is σ = 2304613785600. Its totient is φ = 569869344000.

The previous prime is 1241165554333. The next prime is 1241165554379. The reversal of 1241165554365 is 5634555611421.

It is not a de Polignac number, because 1241165554365 - 2⁵ = 1241165554333 is a prime.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 96967236 + ... + 96980034.

It is an arithmetic number, because the mean of its divisors is an integer number (16004262400).

Almost surely, 2^{1241165554365} is an apocalyptic number.

1241165554365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241165554365 is a deficient number, since it is larger than the sum of its proper divisors (1063448231235).

1241165554365 is a wasteful number, since it uses less digits than its factorization.

1241165554365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12976 (or 12942 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 48.

The spelling of 1241165554365 in words is "one trillion, two hundred forty-one billion, one hundred sixty-five million, five hundred fifty-four thousand, three hundred sixty-five".