5111005401 has 6 divisors (see below), whose sum is σ = 7382563370. Its totient is φ = 3407336928.

The previous prime is 5111005373. The next prime is 5111005439. The reversal of 5111005401 is 1045001115.

It is a happy number.

5111005401 is a `hidden beast` number, since 511 + 100 + 54 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5105245401 + 5760000 = 71451^2 + 2400^2 .

It is not a de Polignac number, because 5111005401 - 2⁹ = 5111004889 is a prime.

It is a super-2 number, since 2×5111005401² = 52244752418102341602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111005451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283944736 + ... + 283944753.

Almost surely, 2^5111005401 is an apocalyptic number.

It is an amenable number.

5111005401 is a deficient number, since it is larger than the sum of its proper divisors (2271557969).

5111005401 is a wasteful number, since it uses less digits than its factorization.

5111005401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567889495 (or 567889492 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 5111005401 is about 71491.2959806996. The cubic root of 5111005401 is about 1722.5378752109.

Adding to 5111005401 its reverse (1045001115), we get a palindrome (6156006516).

The spelling of 5111005401 in words is "five billion, one hundred eleven million, five thousand, four hundred one".