2507064985655 has 4 divisors (see below), whose sum is σ = 3008477982792. Its totient is φ = 2005651988520.

The previous prime is 2507064985651. The next prime is 2507064985703. The reversal of 2507064985655 is 5565894607052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2507064985655 - 2² = 2507064985651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2507064985651) 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 in 3 ways as a sum of consecutive naturals, for example, 250706498561 + ... + 250706498570.

It is an arithmetic number, because the mean of its divisors is an integer number (752119495698).

Almost surely, 2^{2507064985655} is an apocalyptic number.

2507064985655 is a deficient number, since it is larger than the sum of its proper divisors (501412997137).

2507064985655 is an equidigital number, since it uses as much as digits as its factorization.

2507064985655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501412997136.

The product of its (nonzero) digits is 90720000, while the sum is 62.

The spelling of 2507064985655 in words is "two trillion, five hundred seven billion, sixty-four million, nine hundred eighty-five thousand, six hundred fifty-five".