11863978417303 has 12 divisors (see below), whose sum is σ = 12152654292240. Its totient is φ = 11582010950496.

The previous prime is 11863978417279. The next prime is 11863978417327. The reversal of 11863978417303 is 30371487936811.

It is an interprime number because it is at equal distance from previous prime (11863978417279) and next prime (11863978417327).

It is not a de Polignac number, because 11863978417303 - 2⁹ = 11863978416791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863978414303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1860078 + ... + 5214196.

It is an arithmetic number, because the mean of its divisors is an integer number (1012721191020).

Almost surely, 2^{11863978417303} is an apocalyptic number.

11863978417303 is a deficient number, since it is larger than the sum of its proper divisors (288675874937).

11863978417303 is an equidigital number, since it uses as much as digits as its factorization.

11863978417303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356118 (or 3356075 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 11863978417303 in words is "eleven trillion, eight hundred sixty-three billion, nine hundred seventy-eight million, four hundred seventeen thousand, three hundred three".