51110505235641 has 8 divisors (see below), whose sum is σ = 68147385626880. Its totient is φ = 34073647500752.

The previous prime is 51110505235639. The next prime is 51110505235651. The reversal of 51110505235641 is 14653250501115.

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 51110505235641 - 2¹ = 51110505235639 is a prime.

It is a super-2 number, since 2×51110505235641² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51110505235641.

It is not an unprimeable number, because it can be changed into a prime (51110505235651) 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, 584440 + ... + 10127318.

It is an arithmetic number, because the mean of its divisors is an integer number (8518423203360).

Almost surely, 2^{51110505235641} is an apocalyptic number.

It is an amenable number.

51110505235641 is a deficient number, since it is larger than the sum of its proper divisors (17036880391239).

51110505235641 is a wasteful number, since it uses less digits than its factorization.

51110505235641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328175.

The product of its (nonzero) digits is 90000, while the sum is 39.

Adding to 51110505235641 its reverse (14653250501115), we get a palindrome (65763755736756).

The spelling of 51110505235641 in words is "fifty-one trillion, one hundred ten billion, five hundred five million, two hundred thirty-five thousand, six hundred forty-one".