18003080391050 has 24 divisors (see below), whose sum is σ = 33957359527392. Its totient is φ = 7099806350000.

The previous prime is 18003080391013. The next prime is 18003080391061. The reversal of 18003080391050 is 5019308030081.

It is a super-2 number, since 2×18003080391050² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18003080390995 and 18003080391013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2535641576 + ... + 2535648675.

It is an arithmetic number, because the mean of its divisors is an integer number (1414889980308).

Almost surely, 2^{18003080391050} is an apocalyptic number.

18003080391050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18003080391050 is a deficient number, since it is larger than the sum of its proper divisors (15954279136342).

18003080391050 is a wasteful number, since it uses less digits than its factorization.

18003080391050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071290334 (or 5071290329 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 18003080391050 in words is "eighteen trillion, three billion, eighty million, three hundred ninety-one thousand, fifty".