2255561431503 has 8 divisors (see below), whose sum is σ = 3007424573568. Its totient is φ = 1503702955224.

The previous prime is 2255561431499. The next prime is 2255561431511. The reversal of 2255561431503 is 3051341655522.

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

It is not a de Polignac number, because 2255561431503 - 2² = 2255561431499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255561431523) 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, 185350 + ... + 2132012.

It is an arithmetic number, because the mean of its divisors is an integer number (375928071696).

Almost surely, 2^{2255561431503} is an apocalyptic number.

2255561431503 is a deficient number, since it is larger than the sum of its proper divisors (751863142065).

2255561431503 is a wasteful number, since it uses less digits than its factorization.

2255561431503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332893.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 2255561431503 in words is "two trillion, two hundred fifty-five billion, five hundred sixty-one million, four hundred thirty-one thousand, five hundred three".