5061111001 has 4 divisors (see below), whose sum is σ = 5235632100. Its totient is φ = 4886589904.

The previous prime is 5061110983. The next prime is 5061111007. The reversal of 5061111001 is 1001111605.

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 4141566025 + 919544976 = 64355^2 + 30324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5061111001 is a prime.

It is a super-2 number, since 2×5061111001² = 51229689128886444002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5061111007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87260506 + ... + 87260563.

It is an arithmetic number, because the mean of its divisors is an integer number (1308908025).

Almost surely, 2^5061111001 is an apocalyptic number.

It is an amenable number.

5061111001 is a deficient number, since it is larger than the sum of its proper divisors (174521099).

5061111001 is a wasteful number, since it uses less digits than its factorization.

5061111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174521098.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 5061111001 is about 71141.4857941553. The cubic root of 5061111001 is about 1716.9143117434.

Adding to 5061111001 its reverse (1001111605), we get a palindrome (6062222606).

The spelling of 5061111001 in words is "five billion, sixty-one million, one hundred eleven thousand, one".