51102223404 has 24 divisors (see below), whose sum is σ = 119399024640. Its totient is φ = 17011145424.

The previous prime is 51102223391. The next prime is 51102223409. The reversal of 51102223404 is 40432220115.

It is a super-2 number, since 2×51102223404² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51102223409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856844 + ... + 2874675.

It is an arithmetic number, because the mean of its divisors is an integer number (4974959360).

Almost surely, 2^51102223404 is an apocalyptic number.

It is an amenable number.

51102223404 is an abundant number, since it is smaller than the sum of its proper divisors (68296801236).

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

51102223404 is a wasteful number, since it uses less digits than its factorization.

51102223404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732269 (or 5732267 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 51102223404 its reverse (40432220115), we get a palindrome (91534443519).

The spelling of 51102223404 in words is "fifty-one billion, one hundred two million, two hundred twenty-three thousand, four hundred four".