11861835142303 has 4 divisors (see below), whose sum is σ = 11904657652120. Its totient is φ = 11819012632488.

The previous prime is 11861835142301. The next prime is 11861835142369. The reversal of 11861835142303 is 30324153816811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11861835142303 - 2¹ = 11861835142301 is a prime.

It is the 3444102-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11861835142301) by changing a digit.

It is a nontrivial repunit in base 3444101.

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 3 ways as a sum of consecutive naturals, for example, 21411254493 + ... + 21411255046.

It is an arithmetic number, because the mean of its divisors is an integer number (2976164413030).

Almost surely, 2^{11861835142303} is an apocalyptic number.

11861835142303 is a deficient number, since it is larger than the sum of its proper divisors (42822509817).

11861835142303 is an equidigital number, since it uses as much as digits as its factorization.

11861835142303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42822509816.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 11861835142303 in words is "eleven trillion, eight hundred sixty-one billion, eight hundred thirty-five million, one hundred forty-two thousand, three hundred three".