2005125502547 has 2 divisors, whose sum is σ = 2005125502548. Its totient is φ = 2005125502546.

The previous prime is 2005125502543. The next prime is 2005125502577. The reversal of 2005125502547 is 7452055215002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005125502547 - 2² = 2005125502543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2005125502547.

It is not a weakly prime, because it can be changed into another prime (2005125502543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002562751273 + 1002562751274.

It is an arithmetic number, because the mean of its divisors is an integer number (1002562751274).

Almost surely, 2^{2005125502547} is an apocalyptic number.

2005125502547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005125502547 is an equidigital number, since it uses as much as digits as its factorization.

2005125502547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 2005125502547 in words is "two trillion, five billion, one hundred twenty-five million, five hundred two thousand, five hundred forty-seven".