5001020811 has 8 divisors (see below), whose sum is σ = 7408919760. Its totient is φ = 3334013856.

The previous prime is 5001020809. The next prime is 5001020861. The reversal of 5001020811 is 1180201005.

5001020811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5001020811 - 2¹ = 5001020809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5001020861) 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, 92611470 + ... + 92611523.

It is an arithmetic number, because the mean of its divisors is an integer number (926114970).

Almost surely, 2^5001020811 is an apocalyptic number.

5001020811 is a deficient number, since it is larger than the sum of its proper divisors (2407898949).

5001020811 is a wasteful number, since it uses less digits than its factorization.

5001020811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185223002 (or 185222996 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 5001020811 is about 70717.8959740743. The cubic root of 5001020811 is about 1710.0923095752.

Adding to 5001020811 its reverse (1180201005), we get a palindrome (6181221816).

The spelling of 5001020811 in words is "five billion, one million, twenty thousand, eight hundred eleven".