51541352105 has 4 divisors (see below), whose sum is σ = 61849622532. Its totient is φ = 41233081680.

The previous prime is 51541352099. The next prime is 51541352167. The reversal of 51541352105 is 50125314515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19479226624 + 32062125481 = 139568^2 + 179059^2 .

It is not a de Polignac number, because 51541352105 - 2²⁶ = 51474243241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5154135206 + ... + 5154135215.

It is an arithmetic number, because the mean of its divisors is an integer number (15462405633).

Almost surely, 2^51541352105 is an apocalyptic number.

It is an amenable number.

51541352105 is a deficient number, since it is larger than the sum of its proper divisors (10308270427).

51541352105 is a wasteful number, since it uses less digits than its factorization.

51541352105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10308270426.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 51541352105 in words is "fifty-one billion, five hundred forty-one million, three hundred fifty-two thousand, one hundred five".