51123130604437 has 8 divisors (see below), whose sum is σ = 51177446480160. Its totient is φ = 51068828388240.

The previous prime is 51123130604383. The next prime is 51123130604549. The reversal of 51123130604437 is 73440603132115.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51123130604437 - 2²³ = 51123122215829 is a prime.

It is a super-2 number, since 2×51123130604437² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51123130604437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51123130604137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4083178 + ... + 10904980.

It is an arithmetic number, because the mean of its divisors is an integer number (6397180810020).

Almost surely, 2^{51123130604437} is an apocalyptic number.

It is an amenable number.

51123130604437 is a deficient number, since it is larger than the sum of its proper divisors (54315875723).

51123130604437 is a wasteful number, since it uses less digits than its factorization.

51123130604437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829763.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 51123130604437 in words is "fifty-one trillion, one hundred twenty-three billion, one hundred thirty million, six hundred four thousand, four hundred thirty-seven".