51142012401 has 8 divisors (see below), whose sum is σ = 70540706880. Its totient is φ = 32918996432.

The previous prime is 51142012391. The next prime is 51142012409. The reversal of 51142012401 is 10421024115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51142012401 - 2²¹ = 51139915249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51142012409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293919525 + ... + 293919698.

It is an arithmetic number, because the mean of its divisors is an integer number (8817588360).

Almost surely, 2^51142012401 is an apocalyptic number.

It is an amenable number.

51142012401 is a deficient number, since it is larger than the sum of its proper divisors (19398694479).

51142012401 is a wasteful number, since it uses less digits than its factorization.

51142012401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587839255.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 51142012401 its reverse (10421024115), we get a palindrome (61563036516).

The spelling of 51142012401 in words is "fifty-one billion, one hundred forty-two million, twelve thousand, four hundred one".