2505552552787 has 2 divisors, whose sum is σ = 2505552552788. Its totient is φ = 2505552552786.

The previous prime is 2505552552761. The next prime is 2505552552823. The reversal of 2505552552787 is 7872552555052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505552552787 - 2³⁹ = 1955796738899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505552552287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252776276393 + 1252776276394.

It is an arithmetic number, because the mean of its divisors is an integer number (1252776276394).

Almost surely, 2^{2505552552787} is an apocalyptic number.

2505552552787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505552552787 is an equidigital number, since it uses as much as digits as its factorization.

2505552552787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49000000, while the sum is 58.

The spelling of 2505552552787 in words is "two trillion, five hundred five billion, five hundred fifty-two million, five hundred fifty-two thousand, seven hundred eighty-seven".