51142202233 has 16 divisors (see below), whose sum is σ = 52350278400. Its totient is φ = 49946066640.

The previous prime is 51142202203. The next prime is 51142202239. The reversal of 51142202233 is 33220224115.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51142202233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51142202198 and 51142202207.

It is not an unprimeable number, because it can be changed into a prime (51142202239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16167310 + ... + 16170472.

It is an arithmetic number, because the mean of its divisors is an integer number (3271892400).

Almost surely, 2^51142202233 is an apocalyptic number.

It is an amenable number.

51142202233 is a deficient number, since it is larger than the sum of its proper divisors (1208076167).

51142202233 is a wasteful number, since it uses less digits than its factorization.

51142202233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 51142202233 its reverse (33220224115), we get a palindrome (84362426348).

The spelling of 51142202233 in words is "fifty-one billion, one hundred forty-two million, two hundred two thousand, two hundred thirty-three".