2505550054531 has 2 divisors, whose sum is σ = 2505550054532. Its totient is φ = 2505550054530.

The previous prime is 2505550054529. The next prime is 2505550054571. The reversal of 2505550054531 is 1354500555052.

2505550054531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2505550054571) can be obtained adding 2505550054531 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505550054531 - 2¹ = 2505550054529 is a prime.

It is a super-2 number, since 2×2505550054531² (a number of 26 digits) contains 22 as substring.

Together with 2505550054529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2505550054571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252775027265 + 1252775027266.

It is an arithmetic number, because the mean of its divisors is an integer number (1252775027266).

Almost surely, 2^{2505550054531} is an apocalyptic number.

2505550054531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505550054531 is an equidigital number, since it uses as much as digits as its factorization.

2505550054531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 2505550054531 in words is "two trillion, five hundred five billion, five hundred fifty million, fifty-four thousand, five hundred thirty-one".