51411143778424 has 32 divisors (see below), whose sum is σ = 96455304144000. Its totient is φ = 25689732397920.

The previous prime is 51411143778383. The next prime is 51411143778437. The reversal of 51411143778424 is 42487734111415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138154899 + ... + 138526525.

It is an arithmetic number, because the mean of its divisors is an integer number (3014228254500).

Almost surely, 2^{51411143778424} is an apocalyptic number.

It is an amenable number.

51411143778424 is a deficient number, since it is larger than the sum of its proper divisors (45044160365576).

51411143778424 is a wasteful number, since it uses less digits than its factorization.

51411143778424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382243 (or 382239 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 52.

Adding to 51411143778424 its reverse (42487734111415), we get a palindrome (93898877889839).

The spelling of 51411143778424 in words is "fifty-one trillion, four hundred eleven billion, one hundred forty-three million, seven hundred seventy-eight thousand, four hundred twenty-four".