102003525661005 has 32 divisors (see below), whose sum is σ = 181349724309120. Its totient is φ = 54398843412480.

The previous prime is 102003525661001. The next prime is 102003525661069. The reversal of 102003525661005 is 500166525300201.

102003525661005 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 0 + 35 + 2 + 5 + 6 + 610 + 0 + 5 = 666.

It is not a de Polignac number, because 102003525661005 - 2² = 102003525661001 is a prime.

It is a super-2 number, since 2×102003525661005² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003525661001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18661567 + ... + 23500236.

It is an arithmetic number, because the mean of its divisors is an integer number (5667178884660).

Almost surely, 2^{102003525661005} is an apocalyptic number.

102003525661005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102003525661005 is a deficient number, since it is larger than the sum of its proper divisors (79346198648115).

102003525661005 is a wasteful number, since it uses less digits than its factorization.

102003525661005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42179738 (or 42179732 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 102003525661005 in words is "one hundred two trillion, three billion, five hundred twenty-five million, six hundred sixty-one thousand, five".