51444103105 has 32 divisors (see below), whose sum is σ = 66293280000. Its totient is φ = 38223643392.

The previous prime is 51444103103. The next prime is 51444103147. The reversal of 51444103105 is 50130144415.

It is a cyclic number.

It is not a de Polignac number, because 51444103105 - 2¹ = 51444103103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51444103103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2111131 + ... + 2135359.

It is an arithmetic number, because the mean of its divisors is an integer number (2071665000).

Almost surely, 2^51444103105 is an apocalyptic number.

It is an amenable number.

51444103105 is a deficient number, since it is larger than the sum of its proper divisors (14849176895).

51444103105 is a wasteful number, since it uses less digits than its factorization.

51444103105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 51444103105 in words is "fifty-one billion, four hundred forty-four million, one hundred three thousand, one hundred five".