1203054509889 has 12 divisors (see below), whose sum is σ = 1740224364372. Its totient is φ = 800892204000.

The previous prime is 1203054509873. The next prime is 1203054509989. The reversal of 1203054509889 is 9889054503021.

1203054509889 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 0 + 54 + 509 + 8 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 429680250000 + 773374259889 = 655500^2 + 879417^2 .

It is not a de Polignac number, because 1203054509889 - 2⁴ = 1203054509873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203054509849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95338002 + ... + 95350619.

It is an arithmetic number, because the mean of its divisors is an integer number (145018697031).

Almost surely, 2^{1203054509889} is an apocalyptic number.

It is an amenable number.

1203054509889 is a deficient number, since it is larger than the sum of its proper divisors (537169854483).

1203054509889 is a wasteful number, since it uses less digits than its factorization.

1203054509889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190689328 (or 190689325 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 1203054509889 in words is "one trillion, two hundred three billion, fifty-four million, five hundred nine thousand, eight hundred eighty-nine".