1850225587287 has 48 divisors (see below), whose sum is σ = 3131006804352. Its totient is φ = 961038281280.

The previous prime is 1850225587277. The next prime is 1850225587337. The reversal of 1850225587287 is 7827855220581.

It is not a de Polignac number, because 1850225587287 - 2⁸ = 1850225587031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1850225587287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850225587237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13990768 + ... + 14122394.

It is an arithmetic number, because the mean of its divisors is an integer number (65229308424).

Almost surely, 2^{1850225587287} is an apocalyptic number.

1850225587287 is a deficient number, since it is larger than the sum of its proper divisors (1280781217065).

1850225587287 is a wasteful number, since it uses less digits than its factorization.

1850225587287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140348 (or 140341 counting only the distinct ones).

The product of its (nonzero) digits is 25088000, while the sum is 60.

The spelling of 1850225587287 in words is "one trillion, eight hundred fifty billion, two hundred twenty-five million, five hundred eighty-seven thousand, two hundred eighty-seven".