51133060260 has 36 divisors (see below), whose sum is σ = 155103616668. Its totient is φ = 13635482688.

The previous prime is 51133060219. The next prime is 51133060273. The reversal of 51133060260 is 6206033115.

51133060260 is a `hidden beast` number, since 5 + 11 + 330 + 60 + 260 = 666.

51133060260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5592646656 + 45540413604 = 74784^2 + 213402^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×51133060260² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142036099 + ... + 142036458.

Almost surely, 2^51133060260 is an apocalyptic number.

It is an amenable number.

51133060260 is an abundant number, since it is smaller than the sum of its proper divisors (103970556408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51133060260 is a wasteful number, since it uses less digits than its factorization.

51133060260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284072572 (or 284072567 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 51133060260 its reverse (6206033115), we get a palindrome (57339093375).

The spelling of 51133060260 in words is "fifty-one billion, one hundred thirty-three million, sixty thousand, two hundred sixty".