100603118989 has 4 divisors (see below), whose sum is σ = 101003928480. Its totient is φ = 100202309500.

The previous prime is 100603118953. The next prime is 100603119011. The reversal of 100603118989 is 989811306001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100603118989 - 2¹¹ = 100603116941 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 (100603118939) 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, 200404369 + ... + 200404870.

It is an arithmetic number, because the mean of its divisors is an integer number (25250982120).

Almost surely, 2^100603118989 is an apocalyptic number.

It is an amenable number.

100603118989 is a deficient number, since it is larger than the sum of its proper divisors (400809491).

100603118989 is an equidigital number, since it uses as much as digits as its factorization.

100603118989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400809490.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 100603118989 in words is "one hundred billion, six hundred three million, one hundred eighteen thousand, nine hundred eighty-nine".