51103022604 has 24 divisors (see below), whose sum is σ = 124424751360. Its totient is φ = 16293717264.

The previous prime is 51103022603. The next prime is 51103022629. The reversal of 51103022604 is 40622030115.

It is a super-2 number, since 2×51103022604² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51103022603) 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, 92577664 + ... + 92578215.

It is an arithmetic number, because the mean of its divisors is an integer number (5184364640).

Almost surely, 2^51103022604 is an apocalyptic number.

It is an amenable number.

51103022604 is an abundant number, since it is smaller than the sum of its proper divisors (73321728756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51103022604 is a wasteful number, since it uses less digits than its factorization.

51103022604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185155909 (or 185155907 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 51103022604 its reverse (40622030115), we get a palindrome (91725052719).

The spelling of 51103022604 in words is "fifty-one billion, one hundred three million, twenty-two thousand, six hundred four".