51135004336 has 20 divisors (see below), whose sum is σ = 106695153712. Its totient is φ = 23600771136.

The previous prime is 51135004231. The next prime is 51135004343. The reversal of 51135004336 is 63340053115.

It is a super-2 number, since 2×51135004336² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51135004298 and 51135004307.

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, 122920476 + ... + 122920891.

Almost surely, 2^51135004336 is an apocalyptic number.

It is an amenable number.

51135004336 is an abundant number, since it is smaller than the sum of its proper divisors (55560149376).

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

51135004336 is a wasteful number, since it uses less digits than its factorization.

51135004336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245841388 (or 245841382 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 51135004336 in words is "fifty-one billion, one hundred thirty-five million, four thousand, three hundred thirty-six".