51111010606 has 8 divisors (see below), whose sum is σ = 76786122384. Its totient is φ = 25515636480.

The previous prime is 51111010603. The next prime is 51111010631. The reversal of 51111010606 is 60601011115.

51111010606 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 2×51111010606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51111010603) 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, 19932810 + ... + 19935373.

It is an arithmetic number, because the mean of its divisors is an integer number (9598265298).

Almost surely, 2^51111010606 is an apocalyptic number.

51111010606 is a deficient number, since it is larger than the sum of its proper divisors (25675111778).

51111010606 is a wasteful number, since it uses less digits than its factorization.

51111010606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39868826.

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 51111010606 in words is "fifty-one billion, one hundred eleven million, ten thousand, six hundred six".