5105551011 has 16 divisors (see below), whose sum is σ = 7448308608. Its totient is φ = 3085084800.

The previous prime is 5105551001. The next prime is 5105551043. The reversal of 5105551011 is 1101555015.

It is not a de Polignac number, because 5105551011 - 2⁵ = 5105550979 is a prime.

It is a super-2 number, since 2×5105551011² = 52133302251846244242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5105551001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218425 + ... + 240666.

It is an arithmetic number, because the mean of its divisors is an integer number (465519288).

Almost surely, 2^5105551011 is an apocalyptic number.

5105551011 is a deficient number, since it is larger than the sum of its proper divisors (2342757597).

5105551011 is a wasteful number, since it uses less digits than its factorization.

5105551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459442.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 5105551011 is about 71453.1385664759. The cubic root of 5105551011 is about 1721.9249013883.

It can be divided in two parts, 510555 and 1011, that added together give a triangular number (511566 = T₁₀₁₁).

The spelling of 5105551011 in words is "five billion, one hundred five million, five hundred fifty-one thousand, eleven".