5001101011001 has 4 divisors (see below), whose sum is σ = 5007604394100. Its totient is φ = 4994597627904.

The previous prime is 5001101010991. The next prime is 5001101011003. The reversal of 5001101011001 is 1001101011005.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3781624729600 + 1219476281401 = 1944640^2 + 1104299^2 .

It is a cyclic number.

It is not a de Polignac number, because 5001101011001 - 2³⁰ = 5000027269177 is a prime.

It is a super-2 number, since 2×5001101011001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001101011003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251690396 + ... + 3251691933.

It is an arithmetic number, because the mean of its divisors is an integer number (1251901098525).

Almost surely, 2^{5001101011001} is an apocalyptic number.

It is an amenable number.

5001101011001 is a deficient number, since it is larger than the sum of its proper divisors (6503383099).

5001101011001 is an equidigital number, since it uses as much as digits as its factorization.

5001101011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503383098.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 5001101011001 its reverse (1001101011005), we get a palindrome (6002202022006).

The spelling of 5001101011001 in words is "five trillion, one billion, one hundred one million, eleven thousand, one".