103550254521 has 16 divisors (see below), whose sum is σ = 162880892928. Its totient is φ = 57262813200.

The previous prime is 103550254453. The next prime is 103550254537. The reversal of 103550254521 is 125452055301.

It is not a de Polignac number, because 103550254521 - 2¹¹ = 103550252473 is a prime.

It is a super-3 number, since 3×103550254521³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103550254321) 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 15 ways as a sum of consecutive naturals, for example, 79531035 + ... + 79532336.

It is an arithmetic number, because the mean of its divisors is an integer number (10180055808).

Almost surely, 2^103550254521 is an apocalyptic number.

It is an amenable number.

103550254521 is a deficient number, since it is larger than the sum of its proper divisors (59330638407).

103550254521 is a wasteful number, since it uses less digits than its factorization.

103550254521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159063412.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 103550254521 in words is "one hundred three billion, five hundred fifty million, two hundred fifty-four thousand, five hundred twenty-one".