51146361524 has 12 divisors (see below), whose sum is σ = 91587670944. Its totient is φ = 24978455544.

The previous prime is 51146361521. The next prime is 51146361533. The reversal of 51146361524 is 42516364115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51146361521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148681112 + ... + 148681455.

It is an arithmetic number, because the mean of its divisors is an integer number (7632305912).

Almost surely, 2^51146361524 is an apocalyptic number.

It is an amenable number.

51146361524 is a deficient number, since it is larger than the sum of its proper divisors (40441309420).

51146361524 is a wasteful number, since it uses less digits than its factorization.

51146361524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297362614 (or 297362612 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The spelling of 51146361524 in words is "fifty-one billion, one hundred forty-six million, three hundred sixty-one thousand, five hundred twenty-four".