51530100445111 has 8 divisors (see below), whose sum is σ = 53194823797248. Its totient is φ = 49865530971000.

The previous prime is 51530100445037. The next prime is 51530100445133. The reversal of 51530100445111 is 11154400103515.

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 51530100445111 - 2¹⁷ = 51530100314039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51530100440111) 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, 37788745 + ... + 39128626.

It is an arithmetic number, because the mean of its divisors is an integer number (6649352974656).

Almost surely, 2^{51530100445111} is an apocalyptic number.

51530100445111 is a deficient number, since it is larger than the sum of its proper divisors (1664723352137).

51530100445111 is a wasteful number, since it uses less digits than its factorization.

51530100445111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76939013.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 51530100445111 its reverse (11154400103515), we get a palindrome (62684500548626).

The spelling of 51530100445111 in words is "fifty-one trillion, five hundred thirty billion, one hundred million, four hundred forty-five thousand, one hundred eleven".