2500555550047 has 2 divisors, whose sum is σ = 2500555550048. Its totient is φ = 2500555550046.

The previous prime is 2500555550039. The next prime is 2500555550089. The reversal of 2500555550047 is 7400555550052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500555550047 - 2³ = 2500555550039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2500555549985 and 2500555550012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500555553047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250277775023 + 1250277775024.

It is an arithmetic number, because the mean of its divisors is an integer number (1250277775024).

Almost surely, 2^{2500555550047} is an apocalyptic number.

2500555550047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500555550047 is an equidigital number, since it uses as much as digits as its factorization.

2500555550047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 875000, while the sum is 43.

The spelling of 2500555550047 in words is "two trillion, five hundred billion, five hundred fifty-five million, five hundred fifty thousand, forty-seven".