51132420341 has 4 divisors (see below), whose sum is σ = 51535037952. Its totient is φ = 50729802732.

The previous prime is 51132420281. The next prime is 51132420347. The reversal of 51132420341 is 14302423115.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14302423115 = 5 ⋅2860484623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51132420341 is a prime.

It is a super-2 number, since 2×51132420341² (a number of 22 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 51132420341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51132420347) 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 3 ways as a sum of consecutive naturals, for example, 201308615 + ... + 201308868.

It is an arithmetic number, because the mean of its divisors is an integer number (12883759488).

Almost surely, 2^51132420341 is an apocalyptic number.

It is an amenable number.

51132420341 is a deficient number, since it is larger than the sum of its proper divisors (402617611).

51132420341 is a wasteful number, since it uses less digits than its factorization.

51132420341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402617610.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 51132420341 its reverse (14302423115), we get a palindrome (65434843456).

The spelling of 51132420341 in words is "fifty-one billion, one hundred thirty-two million, four hundred twenty thousand, three hundred forty-one".