51243464452124 has 12 divisors (see below), whose sum is σ = 102486928904304. Its totient is φ = 21961484765184.

The previous prime is 51243464452121. The next prime is 51243464452151. The reversal of 51243464452124 is 42125446434215.

51243464452124 is an admirable number.

It is a super-2 number, since 2×51243464452124² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51243464452121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915061865189 + ... + 915061865244.

It is an arithmetic number, because the mean of its divisors is an integer number (8540577408692).

Almost surely, 2^{51243464452124} is an apocalyptic number.

It is an amenable number.

51243464452124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51243464452124 is a wasteful number, since it uses less digits than its factorization.

51243464452124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830123730444 (or 1830123730442 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 47.

The spelling of 51243464452124 in words is "fifty-one trillion, two hundred forty-three billion, four hundred sixty-four million, four hundred fifty-two thousand, one hundred twenty-four".