51024042331021 has 8 divisors (see below), whose sum is σ = 53711313526080. Its totient is φ = 48336950664288.

The previous prime is 51024042330977. The next prime is 51024042331117. The reversal of 51024042331021 is 12013324042015.

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

It is a cyclic number.

It is not a de Polignac number, because 51024042331021 - 2¹³ = 51024042322829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51024042331421) 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, 44298496 + ... + 45435721.

It is an arithmetic number, because the mean of its divisors is an integer number (6713914190760).

Almost surely, 2^{51024042331021} is an apocalyptic number.

It is an amenable number.

51024042331021 is a deficient number, since it is larger than the sum of its proper divisors (2687271195059).

51024042331021 is a wasteful number, since it uses less digits than its factorization.

51024042331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89764163.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 51024042331021 its reverse (12013324042015), we get a palindrome (63037366373036).

The spelling of 51024042331021 in words is "fifty-one trillion, twenty-four billion, forty-two million, three hundred thirty-one thousand, twenty-one".