2500025525551 has 2 divisors, whose sum is σ = 2500025525552. Its totient is φ = 2500025525550.

The previous prime is 2500025525537. The next prime is 2500025525581. The reversal of 2500025525551 is 1555255200052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500025525551 - 2¹³ = 2500025517359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2500025525551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500025525521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250012762775 + 1250012762776.

It is an arithmetic number, because the mean of its divisors is an integer number (1250012762776).

Almost surely, 2^{2500025525551} is an apocalyptic number.

2500025525551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500025525551 is an equidigital number, since it uses as much as digits as its factorization.

2500025525551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125000, while the sum is 37.

The spelling of 2500025525551 in words is "two trillion, five hundred billion, twenty-five million, five hundred twenty-five thousand, five hundred fifty-one".