51113017155650 has 48 divisors (see below), whose sum is σ = 95160126112128. Its totient is φ = 20425874952000.

The previous prime is 51113017155611. The next prime is 51113017155659. The reversal of 51113017155650 is 5655171031115.

51113017155650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51113017155650² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51113017155598 and 51113017155607.

It is not an unprimeable number, because it can be changed into a prime (51113017155659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498072845 + ... + 498175455.

It is an arithmetic number, because the mean of its divisors is an integer number (1982502627336).

Almost surely, 2^{51113017155650} is an apocalyptic number.

51113017155650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51113017155650 is a deficient number, since it is larger than the sum of its proper divisors (44047108956478).

51113017155650 is a wasteful number, since it uses less digits than its factorization.

51113017155650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111947 (or 111942 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 41.

Adding to 51113017155650 its reverse (5655171031115), we get a palindrome (56768188186765).

The spelling of 51113017155650 in words is "fifty-one trillion, one hundred thirteen billion, seventeen million, one hundred fifty-five thousand, six hundred fifty".