10550502138 has 16 divisors (see below), whose sum is σ = 23019277536. Its totient is φ = 3197121840.

The previous prime is 10550502113. The next prime is 10550502139. The reversal of 10550502138 is 83120505501.

It is a super-2 number, since 2×10550502138² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10550502139) 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, 79927981 + ... + 79928112.

It is an arithmetic number, because the mean of its divisors is an integer number (1438704846).

Almost surely, 2^10550502138 is an apocalyptic number.

10550502138 is an abundant number, since it is smaller than the sum of its proper divisors (12468775398).

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

10550502138 is a wasteful number, since it uses less digits than its factorization.

10550502138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159856109.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 10550502138 in words is "ten billion, five hundred fifty million, five hundred two thousand, one hundred thirty-eight".