5111555651 has 8 divisors (see below), whose sum is σ = 5148690624. Its totient is φ = 5074534080.

The previous prime is 5111555629. The next prime is 5111555653. The reversal of 5111555651 is 1565551115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5111555651 - 2¹⁴ = 5111539267 is a prime.

It is a super-2 number, since 2×5111555651² = 52256002346540067602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111555653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63191 + ... + 119231.

It is an arithmetic number, because the mean of its divisors is an integer number (643586328).

Almost surely, 2^5111555651 is an apocalyptic number.

5111555651 is a deficient number, since it is larger than the sum of its proper divisors (37134973).

5111555651 is a wasteful number, since it uses less digits than its factorization.

5111555651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56701.

The product of its digits is 18750, while the sum is 35.

The square root of 5111555651 is about 71495.1442477040. The cubic root of 5111555651 is about 1722.5996890406.

The spelling of 5111555651 in words is "five billion, one hundred eleven million, five hundred fifty-five thousand, six hundred fifty-one".