51461571119 has 4 divisors (see below), whose sum is σ = 58813224144. Its totient is φ = 44109918096.

The previous prime is 51461571103. The next prime is 51461571149. The reversal of 51461571119 is 91117516415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51461571119 - 2⁴ = 51461571103 is a prime.

It is a super-2 number, since 2×51461571119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51461571149) 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, 3675826502 + ... + 3675826515.

It is an arithmetic number, because the mean of its divisors is an integer number (14703306036).

Almost surely, 2^51461571119 is an apocalyptic number.

51461571119 is a deficient number, since it is larger than the sum of its proper divisors (7351653025).

51461571119 is an equidigital number, since it uses as much as digits as its factorization.

51461571119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351653024.

The product of its digits is 37800, while the sum is 41.

The spelling of 51461571119 in words is "fifty-one billion, four hundred sixty-one million, five hundred seventy-one thousand, one hundred nineteen".