2205255442551 has 32 divisors (see below), whose sum is σ = 3446533751808. Its totient is φ = 1227916488960.

The previous prime is 2205255442549. The next prime is 2205255442553. The reversal of 2205255442551 is 1552445525022.

2205255442551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2205255442549) and next prime (2205255442553).

It is not a de Polignac number, because 2205255442551 - 2¹ = 2205255442549 is a prime.

It is a super-2 number, since 2×2205255442551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205255442553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 847456 + ... + 2264661.

It is an arithmetic number, because the mean of its divisors is an integer number (107704179744).

Almost surely, 2^{2205255442551} is an apocalyptic number.

2205255442551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2205255442551 is a deficient number, since it is larger than the sum of its proper divisors (1241278309257).

2205255442551 is a wasteful number, since it uses less digits than its factorization.

2205255442551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112991.

The product of its (nonzero) digits is 800000, while the sum is 42.

The spelling of 2205255442551 in words is "two trillion, two hundred five billion, two hundred fifty-five million, four hundred forty-two thousand, five hundred fifty-one".