51141335544 has 96 divisors (see below), whose sum is σ = 155647608480. Its totient is φ = 15051624192.

The previous prime is 51141335543. The next prime is 51141335647. The reversal of 51141335544 is 44553314115.

51141335544 is a `hidden beast` number, since 511 + 4 + 133 + 5 + 5 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 51141335499 and 51141335508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51141335543) 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 23 ways as a sum of consecutive naturals, for example, 1166259 + ... + 1209314.

It is an arithmetic number, because the mean of its divisors is an integer number (1621329255).

Almost surely, 2^51141335544 is an apocalyptic number.

It is an amenable number.

51141335544 is an abundant number, since it is smaller than the sum of its proper divisors (104506272936).

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

51141335544 is a wasteful number, since it uses less digits than its factorization.

51141335544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375621 (or 2375614 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 51141335544 its reverse (44553314115), we get a palindrome (95694649659).

The spelling of 51141335544 in words is "fifty-one billion, one hundred forty-one million, three hundred thirty-five thousand, five hundred forty-four".