181519957083 has 6 divisors (see below), whose sum is σ = 242027593372. Its totient is φ = 121012812760.

The previous prime is 181519957057. The next prime is 181519957121. The reversal of 181519957083 is 380759915181.

It is not a de Polignac number, because 181519957083 - 2¹⁷ = 181519826011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181519957483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614953 + ... + 860933.

Almost surely, 2^181519957083 is an apocalyptic number.

181519957083 is a deficient number, since it is larger than the sum of its proper divisors (60507636289).

181519957083 is an frugal number, since it uses more digits than its factorization.

181519957083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491965 (or 245984 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 57.

The spelling of 181519957083 in words is "one hundred eighty-one billion, five hundred nineteen million, nine hundred fifty-seven thousand, eighty-three".