51109260450 has 48 divisors (see below), whose sum is σ = 126764999616. Its totient is φ = 13627627200.

The previous prime is 51109260403. The next prime is 51109260491. The reversal of 51109260450 is 5406290115.

It is a super-2 number, since 2×51109260450² (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 23 ways as a sum of consecutive naturals, for example, 2236080 + ... + 2258820.

It is an arithmetic number, because the mean of its divisors is an integer number (2640937492).

Almost surely, 2^51109260450 is an apocalyptic number.

51109260450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51109260450 is an abundant number, since it is smaller than the sum of its proper divisors (75655739166).

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

51109260450 is a wasteful number, since it uses less digits than its factorization.

51109260450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37739 (or 37734 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 51109260450 in words is "fifty-one billion, one hundred nine million, two hundred sixty thousand, four hundred fifty".