2485553940871 has 16 divisors (see below), whose sum is σ = 2542824161280. Its totient is φ = 2428881729120.

The previous prime is 2485553940827. The next prime is 2485553940889. The reversal of 2485553940871 is 1780493555842.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2485553940871 - 2³¹ = 2483406457223 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 (2485553940371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110256861 + ... + 110279401.

It is an arithmetic number, because the mean of its divisors is an integer number (158926510080).

Almost surely, 2^{2485553940871} is an apocalyptic number.

2485553940871 is a deficient number, since it is larger than the sum of its proper divisors (57270220409).

2485553940871 is a wasteful number, since it uses less digits than its factorization.

2485553940871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35694.

The product of its (nonzero) digits is 48384000, while the sum is 61.

The spelling of 2485553940871 in words is "two trillion, four hundred eighty-five billion, five hundred fifty-three million, nine hundred forty thousand, eight hundred seventy-one".