10602561335550 has 48 divisors (see below), whose sum is σ = 26905848689280. Its totient is φ = 2761597369440.

The previous prime is 10602561335549. The next prime is 10602561335551. The reversal of 10602561335550 is 5553316520601.

It is an interprime number because it is at equal distance from previous prime (10602561335549) and next prime (10602561335551).

It is a super-2 number, since 2×10602561335550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10602561335551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821897530 + ... + 821910429.

It is an arithmetic number, because the mean of its divisors is an integer number (560538514360).

Almost surely, 2^{10602561335550} is an apocalyptic number.

10602561335550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10602561335550 is an abundant number, since it is smaller than the sum of its proper divisors (16303287353730).

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

10602561335550 is a wasteful number, since it uses less digits than its factorization.

10602561335550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643808017 (or 1643808012 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 10602561335550 in words is "ten trillion, six hundred two billion, five hundred sixty-one million, three hundred thirty-five thousand, five hundred fifty".