51886191190 has 8 divisors (see below), whose sum is σ = 93395144160. Its totient is φ = 20754476472.

The previous prime is 51886191107. The next prime is 51886191197. The reversal of 51886191190 is 9119168815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51886191190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51886191197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594309550 + ... + 2594309569.

It is an arithmetic number, because the mean of its divisors is an integer number (11674393020).

Almost surely, 2^51886191190 is an apocalyptic number.

51886191190 is a deficient number, since it is larger than the sum of its proper divisors (41508952970).

51886191190 is a wasteful number, since it uses less digits than its factorization.

51886191190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188619126.

The product of its (nonzero) digits is 155520, while the sum is 49.

The spelling of 51886191190 in words is "fifty-one billion, eight hundred eighty-six million, one hundred ninety-one thousand, one hundred ninety".