2500220205555 has 16 divisors (see below), whose sum is σ = 4005120349440. Its totient is φ = 1331861436128.

The previous prime is 2500220205547. The next prime is 2500220205577. The reversal of 2500220205555 is 5555020220052.

2500220205555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2500220205555 - 2³ = 2500220205547 is a prime.

It is a super-2 number, since 2×2500220205555² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99320757 + ... + 99345926.

It is an arithmetic number, because the mean of its divisors is an integer number (250320021840).

Almost surely, 2^{2500220205555} is an apocalyptic number.

2500220205555 is a deficient number, since it is larger than the sum of its proper divisors (1504900143885).

2500220205555 is a wasteful number, since it uses less digits than its factorization.

2500220205555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198667530.

The product of its (nonzero) digits is 50000, while the sum is 33.

The spelling of 2500220205555 in words is "two trillion, five hundred billion, two hundred twenty million, two hundred five thousand, five hundred fifty-five".