103065521556 has 12 divisors (see below), whose sum is σ = 240486216992. Its totient is φ = 34355173848.

The previous prime is 103065521543. The next prime is 103065521579. The reversal of 103065521556 is 655125560301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×103065521556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4294396720 + ... + 4294396743.

Almost surely, 2^103065521556 is an apocalyptic number.

It is an amenable number.

103065521556 is an abundant number, since it is smaller than the sum of its proper divisors (137420695436).

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

103065521556 is a wasteful number, since it uses less digits than its factorization.

103065521556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588793470 (or 8588793468 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 103065521556 in words is "one hundred three billion, sixty-five million, five hundred twenty-one thousand, five hundred fifty-six".