51325422120631 has 8 divisors (see below), whose sum is σ = 54165646407600. Its totient is φ = 48499086461760.

The previous prime is 51325422120587. The next prime is 51325422120641. The reversal of 51325422120631 is 13602122452315.

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 51325422120631 - 2²⁹ = 51324885249719 is a prime.

It is a super-2 number, since 2×51325422120631² (a number of 28 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 (51325422120641) 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, 3472149430 + ... + 3472164211.

It is an arithmetic number, because the mean of its divisors is an integer number (6770705800950).

Almost surely, 2^{51325422120631} is an apocalyptic number.

51325422120631 is a deficient number, since it is larger than the sum of its proper divisors (2840224286969).

51325422120631 is a wasteful number, since it uses less digits than its factorization.

51325422120631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944314049.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 51325422120631 its reverse (13602122452315), we get a palindrome (64927544572946).

The spelling of 51325422120631 in words is "fifty-one trillion, three hundred twenty-five billion, four hundred twenty-two million, one hundred twenty thousand, six hundred thirty-one".