51111106 has 16 divisors (see below), whose sum is σ = 80352000. Its totient is φ = 24336928.

The previous prime is 51111103. The next prime is 51111119. The reversal of 51111106 is 60111115.

It is a super-2 number, since 2×51111106² = 5224690313086472, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 51111106 parts by 10110 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 51111106.

It is not an unprimeable number, because it can be changed into a prime (51111103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670 + ... + 13318.

It is an arithmetic number, because the mean of its divisors is an integer number (5022000).

Almost surely, 2^51111106 is an apocalyptic number.

51111106 is a deficient number, since it is larger than the sum of its proper divisors (29240894).

51111106 is a wasteful number, since it uses less digits than its factorization.

51111106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 51111106 is about 7149.2031723822. The cubic root of 51111106 is about 371.1120814699.

Subtracting 51111106 from its reverse (60111115), we obtain a palindrome (9000009).

It can be divided in two parts, 5 and 1111106, that added together give a palindrome (1111111).

The spelling of 51111106 in words is "fifty-one million, one hundred eleven thousand, one hundred six".