51022124661 has 8 divisors (see below), whose sum is σ = 70375344480. Its totient is φ = 32841827312.

The previous prime is 51022124567. The next prime is 51022124669. The reversal of 51022124661 is 16642122015.

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 51022124661 - 2¹⁸ = 51021862517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022124669) 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, 293230515 + ... + 293230688.

It is an arithmetic number, because the mean of its divisors is an integer number (8796918060).

Almost surely, 2^51022124661 is an apocalyptic number.

It is an amenable number.

51022124661 is a deficient number, since it is larger than the sum of its proper divisors (19353219819).

51022124661 is a wasteful number, since it uses less digits than its factorization.

51022124661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586461235.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 51022124661 its reverse (16642122015), we get a palindrome (67664246676).

The spelling of 51022124661 in words is "fifty-one billion, twenty-two million, one hundred twenty-four thousand, six hundred sixty-one".