51125443106 has 64 divisors (see below), whose sum is σ = 83043014400. Its totient is φ = 23560992000.

The previous prime is 51125443087. The next prime is 51125443139. The reversal of 51125443106 is 60134452115.

It is a super-2 number, since 2×51125443106² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18316571 + ... + 18319361.

It is an arithmetic number, because the mean of its divisors is an integer number (1297547100).

Almost surely, 2^51125443106 is an apocalyptic number.

51125443106 is a deficient number, since it is larger than the sum of its proper divisors (31917571294).

51125443106 is a wasteful number, since it uses less digits than its factorization.

51125443106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 14400, while the sum is 32.

Subtracting 51125443106 from its reverse (60134452115), we obtain a palindrome (9009009009).

The spelling of 51125443106 in words is "fifty-one billion, one hundred twenty-five million, four hundred forty-three thousand, one hundred six".