51111026 has 8 divisors (see below), whose sum is σ = 80701680. Its totient is φ = 24210468.

The previous prime is 51111013. The next prime is 51111029. The reversal of 51111026 is 62011115.

51111026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×51111026² = 5224673957545352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51110995 and 51111013.

It is not an unprimeable number, because it can be changed into a prime (51111029) 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 3 ways as a sum of consecutive naturals, for example, 672476 + ... + 672551.

It is an arithmetic number, because the mean of its divisors is an integer number (10087710).

Almost surely, 2^51111026 is an apocalyptic number.

51111026 is a deficient number, since it is larger than the sum of its proper divisors (29590654).

51111026 is a wasteful number, since it uses less digits than its factorization.

51111026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345048.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 51111026 is about 7149.1975773509. The cubic root of 51111026 is about 371.1118878461. Note that the first 3 decimals are identical.

The spelling of 51111026 in words is "fifty-one million, one hundred eleven thousand, twenty-six".