18950550005001 has 8 divisors (see below), whose sum is σ = 25267874288800. Its totient is φ = 12633462862272.

The previous prime is 18950550004993. The next prime is 18950550005017. The reversal of 18950550005001 is 10050005505981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18950550005001 - 2³ = 18950550004993 is a prime.

It is a super-2 number, since 2×18950550005001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18950550055001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59098720 + ... + 59418513.

It is an arithmetic number, because the mean of its divisors is an integer number (3158484286100).

Almost surely, 2^{18950550005001} is an apocalyptic number.

It is an amenable number.

18950550005001 is a deficient number, since it is larger than the sum of its proper divisors (6317324283799).

18950550005001 is a wasteful number, since it uses less digits than its factorization.

18950550005001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118570535.

The product of its (nonzero) digits is 45000, while the sum is 39.

The spelling of 18950550005001 in words is "eighteen trillion, nine hundred fifty billion, five hundred fifty million, five thousand, one".