1002240551565 has 144 divisors (see below), whose sum is σ = 1995140294784. Its totient is φ = 464197198080.

The previous prime is 1002240551539. The next prime is 1002240551591. The reversal of 1002240551565 is 5651550422001.

1002240551565 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 2 + 40 + 5 + 51 + 565 = 666.

It is an interprime number because it is at equal distance from previous prime (1002240551539) and next prime (1002240551591).

It is not a de Polignac number, because 1002240551565 - 2²⁵ = 1002206997133 is a prime.

It is a super-2 number, since 2×1002240551565² (a number of 25 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 (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 103564507 + ... + 103574183.

It is an arithmetic number, because the mean of its divisors is an integer number (13855140936).

Almost surely, 2^{1002240551565} is an apocalyptic number.

1002240551565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002240551565 is a deficient number, since it is larger than the sum of its proper divisors (992899743219).

1002240551565 is a wasteful number, since it uses less digits than its factorization.

1002240551565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560 (or 10546 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 1002240551565 its reverse (5651550422001), we get a palindrome (6653790973566).

The spelling of 1002240551565 in words is "one trillion, two billion, two hundred forty million, five hundred fifty-one thousand, five hundred sixty-five".