51351425124070 has 16 divisors (see below), whose sum is σ = 92438678356128. Its totient is φ = 20539211575680.

The previous prime is 51351425124053. The next prime is 51351425124073. The reversal of 51351425124070 is 7042152415315.

It is a happy number.

It is a super-2 number, since 2×51351425124070² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51351425124073) 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, 169650474 + ... + 169952893.

It is an arithmetic number, because the mean of its divisors is an integer number (5777417397258).

Almost surely, 2^{51351425124070} is an apocalyptic number.

51351425124070 is a deficient number, since it is larger than the sum of its proper divisors (41087253232058).

51351425124070 is a wasteful number, since it uses less digits than its factorization.

51351425124070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339618495.

The product of its (nonzero) digits is 168000, while the sum is 40.

Adding to 51351425124070 its reverse (7042152415315), we get a palindrome (58393577539385).

The spelling of 51351425124070 in words is "fifty-one trillion, three hundred fifty-one billion, four hundred twenty-five million, one hundred twenty-four thousand, seventy".