51011010106 has 32 divisors (see below), whose sum is σ = 88376520960. Its totient is φ = 21629904000.

The previous prime is 51011010097. The next prime is 51011010107. The reversal of 51011010106 is 60101011015.

It is a self number, because there is not a number n which added to its sum of digits gives 51011010106.

It is not an unprimeable number, because it can be changed into a prime (51011010107) 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, 2081955 + ... + 2106313.

It is an arithmetic number, because the mean of its divisors is an integer number (2761766280).

Almost surely, 2^51011010106 is an apocalyptic number.

51011010106 is a deficient number, since it is larger than the sum of its proper divisors (37365510854).

51011010106 is a wasteful number, since it uses less digits than its factorization.

51011010106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25950.

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

Subtracting 51011010106 from its reverse (60101011015), we obtain a palindrome (9090000909).

The spelling of 51011010106 in words is "fifty-one billion, eleven million, ten thousand, one hundred six".