51361005626 has 32 divisors (see below), whose sum is σ = 88493437440. Its totient is φ = 21900585600.

The previous prime is 51361005601. The next prime is 51361005649. The reversal of 51361005626 is 62650016315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2878340 + ... + 2896128.

It is an arithmetic number, because the mean of its divisors is an integer number (2765419920).

Almost surely, 2^51361005626 is an apocalyptic number.

51361005626 is a deficient number, since it is larger than the sum of its proper divisors (37132431814).

51361005626 is a wasteful number, since it uses less digits than its factorization.

51361005626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 51361005626 in words is "fifty-one billion, three hundred sixty-one million, five thousand, six hundred twenty-six".