51110260265 has 16 divisors (see below), whose sum is σ = 61490871360. Its totient is φ = 40782605760.

The previous prime is 51110260247. The next prime is 51110260307. The reversal of 51110260265 is 56206201115.

It is a happy number.

It is not a de Polignac number, because 51110260265 - 2¹⁰ = 51110259241 is a prime.

It is a super-2 number, since 2×51110260265² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4848050 + ... + 4858580.

It is an arithmetic number, because the mean of its divisors is an integer number (3843179460).

Almost surely, 2^51110260265 is an apocalyptic number.

It is an amenable number.

51110260265 is a deficient number, since it is larger than the sum of its proper divisors (10380611095).

51110260265 is a wasteful number, since it uses less digits than its factorization.

51110260265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12952.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 51110260265 in words is "fifty-one billion, one hundred ten million, two hundred sixty thousand, two hundred sixty-five".