2505146030551 has 2 divisors, whose sum is σ = 2505146030552. Its totient is φ = 2505146030550.

The previous prime is 2505146030521. The next prime is 2505146030579. The reversal of 2505146030551 is 1550306415052.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505146030551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2505146030551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505146030521) 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, 1252573015275 + 1252573015276.

It is an arithmetic number, because the mean of its divisors is an integer number (1252573015276).

Almost surely, 2^{2505146030551} is an apocalyptic number.

2505146030551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505146030551 is an equidigital number, since it uses as much as digits as its factorization.

2505146030551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 2505146030551 in words is "two trillion, five hundred five billion, one hundred forty-six million, thirty thousand, five hundred fifty-one".