51263631105 has 16 divisors (see below), whose sum is σ = 82028039040. Its totient is φ = 27338526848.

The previous prime is 51263631101. The next prime is 51263631109. The reversal of 51263631105 is 50113636215.

It is an interprime number because it is at equal distance from previous prime (51263631101) and next prime (51263631109).

It is a cyclic number.

It is not a de Polignac number, because 51263631105 - 2² = 51263631101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51263631101) 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, 85876 + ... + 331514.

It is an arithmetic number, because the mean of its divisors is an integer number (5126752440).

Almost surely, 2^51263631105 is an apocalyptic number.

It is an amenable number.

51263631105 is a deficient number, since it is larger than the sum of its proper divisors (30764407935).

51263631105 is a wasteful number, since it uses less digits than its factorization.

51263631105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259560.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 51263631105 in words is "fifty-one billion, two hundred sixty-three million, six hundred thirty-one thousand, one hundred five".