119916665503 has 4 divisors (see below), whose sum is σ = 119917431648. Its totient is φ = 119915899360.

The previous prime is 119916665501. The next prime is 119916665567. The reversal of 119916665503 is 305566619911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 119916665503 - 2¹ = 119916665501 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 (119916665501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54151 + ... + 492712.

It is an arithmetic number, because the mean of its divisors is an integer number (29979357912).

Almost surely, 2^119916665503 is an apocalyptic number.

119916665503 is a deficient number, since it is larger than the sum of its proper divisors (766145).

119916665503 is an equidigital number, since it uses as much as digits as its factorization.

119916665503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766144.

The product of its (nonzero) digits is 1312200, while the sum is 52.

The spelling of 119916665503 in words is "one hundred nineteen billion, nine hundred sixteen million, six hundred sixty-five thousand, five hundred three".