5111005051 has 4 divisors (see below), whose sum is σ = 5111339112. Its totient is φ = 5110670992.

The previous prime is 5111005033. The next prime is 5111005091. The reversal of 5111005051 is 1505001115.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5111005051 - 2⁷ = 5111004923 is a prime.

It is a super-2 number, since 2×5111005051² = 52244745262695025202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111005091) 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, 142921 + ... + 175066.

It is an arithmetic number, because the mean of its divisors is an integer number (1277834778).

Almost surely, 2^5111005051 is an apocalyptic number.

5111005051 is a deficient number, since it is larger than the sum of its proper divisors (334061).

5111005051 is a wasteful number, since it uses less digits than its factorization.

5111005051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334060.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 5111005051 is about 71491.2935328492. The cubic root of 5111005051 is about 1722.5378358912.

Adding to 5111005051 its reverse (1505001115), we get a palindrome (6616006166).

The spelling of 5111005051 in words is "five billion, one hundred eleven million, five thousand, fifty-one".