119003409981 has 14 divisors (see below), whose sum is σ = 178423495070. Its totient is φ = 79335606168.

The previous prime is 119003409937. The next prime is 119003409983. The reversal of 119003409981 is 189904300911.

It can be written as a sum of positive squares in only one way, i.e., 112398597081 + 6604812900 = 335259^2 + 81270^2 .

It is not a de Polignac number, because 119003409981 - 2¹¹ = 119003407933 is a prime.

It is a super-2 number, since 2×119003409981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119003409983) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 81620266 + ... + 81621723.

Almost surely, 2^119003409981 is an apocalyptic number.

It is an amenable number.

119003409981 is a deficient number, since it is larger than the sum of its proper divisors (59420085089).

119003409981 is an frugal number, since it uses more digits than its factorization.

119003409981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163242007 (or 163241992 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 119003409981 in words is "one hundred nineteen billion, three million, four hundred nine thousand, nine hundred eighty-one".