51135103083541 has 4 divisors (see below), whose sum is σ = 51138041731084. Its totient is φ = 51132164436000.

The previous prime is 51135103083527. The next prime is 51135103083599. The reversal of 51135103083541 is 14538030153115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31993209312516 + 19141893771025 = 5656254^2 + 4375145^2 .

It is a cyclic number.

It is not a de Polignac number, because 51135103083541 - 2¹¹ = 51135103081493 is a prime.

It is a super-2 number, since 2×51135103083541² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51135103083494 and 51135103083503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51135103083341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469297670 + ... + 1469332471.

It is an arithmetic number, because the mean of its divisors is an integer number (12784510432771).

Almost surely, 2^{51135103083541} is an apocalyptic number.

It is an amenable number.

51135103083541 is a deficient number, since it is larger than the sum of its proper divisors (2938647543).

51135103083541 is a wasteful number, since it uses less digits than its factorization.

51135103083541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938647542.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 51135103083541 in words is "fifty-one trillion, one hundred thirty-five billion, one hundred three million, eighty-three thousand, five hundred forty-one".