51101080533 has 12 divisors (see below), whose sum is σ = 73814922688. Its totient is φ = 34066348200.

The previous prime is 51101080529. The next prime is 51101080561. The reversal of 51101080533 is 33508010115.

51101080533 is a `hidden beast` number, since 5 + 110 + 10 + 8 + 0 + 533 = 666.

It is not a de Polignac number, because 51101080533 - 2² = 51101080529 is a prime.

It is a super-2 number, since 2×51101080533² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51101080497 and 51101080506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51101080523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330966 + ... + 460152.

Almost surely, 2^51101080533 is an apocalyptic number.

It is an amenable number.

51101080533 is a deficient number, since it is larger than the sum of its proper divisors (22713842155).

51101080533 is a wasteful number, since it uses less digits than its factorization.

51101080533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173144 (or 173141 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 51101080533 its reverse (33508010115), we get a palindrome (84609090648).

The spelling of 51101080533 in words is "fifty-one billion, one hundred one million, eighty thousand, five hundred thirty-three".