1189506789008 has 20 divisors (see below), whose sum is σ = 2304876464700. Its totient is φ = 594699959424.

The previous prime is 1189506788963. The next prime is 1189506789049. The reversal of 1189506789008 is 8009876059811.

It can be written as a sum of positive squares in 2 ways, for example, as 149172067984 + 1040334721024 = 386228^2 + 1019968^2 .

It is a super-2 number, since 2×1189506789008² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3155735 + ... + 3512502.

It is an arithmetic number, because the mean of its divisors is an integer number (115243823235).

Almost surely, 2^{1189506789008} is an apocalyptic number.

It is an amenable number.

1189506789008 is a deficient number, since it is larger than the sum of its proper divisors (1115369675692).

1189506789008 is a wasteful number, since it uses less digits than its factorization.

1189506789008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679394 (or 6679388 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 62.

The spelling of 1189506789008 in words is "one trillion, one hundred eighty-nine billion, five hundred six million, seven hundred eighty-nine thousand, eight".