1025187080489 has 16 divisors (see below), whose sum is σ = 1204451574144. Its totient is φ = 860271148800.

The previous prime is 1025187080483. The next prime is 1025187080507. The reversal of 1025187080489 is 9840807815201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025187080489 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025187080489.

It is not an unprimeable number, because it can be changed into a prime (1025187080483) 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, 5851172 + ... + 6023834.

It is an arithmetic number, because the mean of its divisors is an integer number (75278223384).

Almost surely, 2^{1025187080489} is an apocalyptic number.

It is an amenable number.

1025187080489 is a deficient number, since it is larger than the sum of its proper divisors (179264493655).

1025187080489 is a wasteful number, since it uses less digits than its factorization.

1025187080489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214208.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 1025187080489 in words is "one trillion, twenty-five billion, one hundred eighty-seven million, eighty thousand, four hundred eighty-nine".