51105051135 has 48 divisors (see below), whose sum is σ = 93331090944. Its totient is φ = 25817812416.

The previous prime is 51105051133. The next prime is 51105051149. The reversal of 51105051135 is 53115050115.

51105051135 is a `hidden beast` number, since 5 + 110 + 5 + 0 + 511 + 35 = 666.

It is not a de Polignac number, because 51105051135 - 2¹ = 51105051133 is a prime.

It is a super-2 number, since 2×51105051135² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51105051099 and 51105051108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105051131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133089 + ... + 346298.

It is an arithmetic number, because the mean of its divisors is an integer number (1944397728).

Almost surely, 2^51105051135 is an apocalyptic number.

51105051135 is a deficient number, since it is larger than the sum of its proper divisors (42226039809).

51105051135 is a wasteful number, since it uses less digits than its factorization.

51105051135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479524 (or 479521 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 27.

The spelling of 51105051135 in words is "fifty-one billion, one hundred five million, fifty-one thousand, one hundred thirty-five".