51045023124 has 96 divisors (see below), whose sum is σ = 135667593600. Its totient is φ = 16587659520.

The previous prime is 51045023063. The next prime is 51045023171. The reversal of 51045023124 is 42132054015.

51045023124 is a `hidden beast` number, since 5 + 104 + 502 + 31 + 24 = 666.

51045023124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7386879 + ... + 7393785.

It is an arithmetic number, because the mean of its divisors is an integer number (1413204100).

Almost surely, 2^51045023124 is an apocalyptic number.

51045023124 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51045023124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67833796800).

51045023124 is an abundant number, since it is smaller than the sum of its proper divisors (84622570476).

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

51045023124 is a wasteful number, since it uses less digits than its factorization.

51045023124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8622 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 51045023124 its reverse (42132054015), we get a palindrome (93177077139).

The spelling of 51045023124 in words is "fifty-one billion, forty-five million, twenty-three thousand, one hundred twenty-four".