51426145237 has 8 divisors (see below), whose sum is σ = 55999432800. Its totient is φ = 47039522544.

The previous prime is 51426145217. The next prime is 51426145261. The reversal of 51426145237 is 73254162415.

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 51426145237 - 2³¹ = 49278661589 is a prime.

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 51426145237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51426145217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46665643 + ... + 46666744.

It is an arithmetic number, because the mean of its divisors is an integer number (6999929100).

Almost surely, 2^51426145237 is an apocalyptic number.

It is an amenable number.

51426145237 is a deficient number, since it is larger than the sum of its proper divisors (4573287563).

51426145237 is a wasteful number, since it uses less digits than its factorization.

51426145237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93332435.

The product of its digits is 201600, while the sum is 40.

The spelling of 51426145237 in words is "fifty-one billion, four hundred twenty-six million, one hundred forty-five thousand, two hundred thirty-seven".