51110203133 has 12 divisors (see below), whose sum is σ = 56323454460. Its totient is φ = 46344334080.

The previous prime is 51110203121. The next prime is 51110203141. The reversal of 51110203133 is 33130201115.

It can be written as a sum of positive squares in 2 ways, for example, as 24667215364 + 26442987769 = 157058^2 + 162613^2 .

It is not a de Polignac number, because 51110203133 - 2¹⁶ = 51110137597 is a prime.

It is a super-2 number, since 2×51110203133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51110203103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495860 + ... + 589997.

It is an arithmetic number, because the mean of its divisors is an integer number (4693621205).

Almost surely, 2^51110203133 is an apocalyptic number.

It is an amenable number.

51110203133 is a deficient number, since it is larger than the sum of its proper divisors (5213251327).

51110203133 is a wasteful number, since it uses less digits than its factorization.

51110203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086268 (or 1086257 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 51110203133 its reverse (33130201115), we get a palindrome (84240404248).

The spelling of 51110203133 in words is "fifty-one billion, one hundred ten million, two hundred three thousand, one hundred thirty-three".