2500085505361 has 4 divisors (see below), whose sum is σ = 2500096453632. Its totient is φ = 2500074557092.

The previous prime is 2500085505349. The next prime is 2500085505409. The reversal of 2500085505361 is 1635055800052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2500085505361 - 2⁹ = 2500085504849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500085505311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124145 + ... + 5590798.

It is an arithmetic number, because the mean of its divisors is an integer number (625024113408).

Almost surely, 2^{2500085505361} is an apocalyptic number.

It is an amenable number.

2500085505361 is a deficient number, since it is larger than the sum of its proper divisors (10948271).

2500085505361 is a wasteful number, since it uses less digits than its factorization.

2500085505361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948270.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 2500085505361 in words is "two trillion, five hundred billion, eighty-five million, five hundred five thousand, three hundred sixty-one".