1149150557889 has 6 divisors (see below), whose sum is σ = 1659884139186. Its totient is φ = 766100371920.

The previous prime is 1149150557879. The next prime is 1149150557953. The reversal of 1149150557889 is 9887550519411.

1149150557889 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 1 + 50 + 5 + 578 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1149098241600 + 52316289 = 1071960^2 + 7233^2 .

It is not a de Polignac number, because 1149150557889 - 2⁴ = 1149150557873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149150557839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63841697652 + ... + 63841697669.

It is an arithmetic number, because the mean of its divisors is an integer number (276647356531).

Almost surely, 2^{1149150557889} is an apocalyptic number.

It is an amenable number.

1149150557889 is a deficient number, since it is larger than the sum of its proper divisors (510733581297).

1149150557889 is a wasteful number, since it uses less digits than its factorization.

1149150557889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127683395327 (or 127683395324 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 63.

The spelling of 1149150557889 in words is "one trillion, one hundred forty-nine billion, one hundred fifty million, five hundred fifty-seven thousand, eight hundred eighty-nine".