10002555205 has 8 divisors (see below), whose sum is σ = 12003615000. Its totient is φ = 8001678336.

The previous prime is 10002555203. The next prime is 10002555239. The reversal of 10002555205 is 50255520001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 572979969 + 9429575236 = 23937^2 + 97106^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10002555205 - 2¹ = 10002555203 is a prime.

It is a super-2 number, since 2×10002555205² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10002555205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002555203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153421 + ... + 208669.

It is an arithmetic number, because the mean of its divisors is an integer number (1500451875).

Almost surely, 2^10002555205 is an apocalyptic number.

It is an amenable number.

10002555205 is a deficient number, since it is larger than the sum of its proper divisors (2001059795).

10002555205 is an equidigital number, since it uses as much as digits as its factorization.

10002555205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91463.

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 10002555205 in words is "ten billion, two million, five hundred fifty-five thousand, two hundred five".