5001010091001 has 10 divisors (see below), whose sum is σ = 7470644703962. Its totient is φ = 3334006727280.

The previous prime is 5001010090943. The next prime is 5001010091003. The reversal of 5001010091001 is 1001900101005.

It can be written as a sum of positive squares in only one way, i.e., 4519025640000 + 481984451001 = 2125800^2 + 694251^2 .

It is not a de Polignac number, because 5001010091001 - 2³⁴ = 4983830221817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5001010091003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30870432580 + ... + 30870432741.

Almost surely, 2^{5001010091001} is an apocalyptic number.

It is an amenable number.

5001010091001 is a deficient number, since it is larger than the sum of its proper divisors (2469634612961).

5001010091001 is an equidigital number, since it uses as much as digits as its factorization.

5001010091001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61740865333 (or 61740865324 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 18.

Adding to 5001010091001 its reverse (1001900101005), we get a palindrome (6002910192006).

The spelling of 5001010091001 in words is "five trillion, one billion, ten million, ninety-one thousand, one".