51126995190 has 16 divisors (see below), whose sum is σ = 122704788528. Its totient is φ = 13633865376.

The previous prime is 51126995189. The next prime is 51126995201. The reversal of 51126995190 is 9159962115.

It is a super-2 number, since 2×51126995190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 852116557 + ... + 852116616.

It is an arithmetic number, because the mean of its divisors is an integer number (7669049283).

Almost surely, 2^51126995190 is an apocalyptic number.

51126995190 is an abundant number, since it is smaller than the sum of its proper divisors (71577793338).

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

51126995190 is a wasteful number, since it uses less digits than its factorization.

51126995190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704233183.

The product of its (nonzero) digits is 218700, while the sum is 48.

The spelling of 51126995190 in words is "fifty-one billion, one hundred twenty-six million, nine hundred ninety-five thousand, one hundred ninety".