1170868992489 has 135 divisors (see below), whose sum is σ = 2100751941093. Its totient is φ = 628256756736.

The previous prime is 1170868992487. The next prime is 1170868992521. The reversal of 1170868992489 is 9842998680711.

The square root of 1170868992489 is 1082067.

It is a perfect power (a square), and thus also a powerful number.

1170868992489 is a `hidden beast` number, since 11 + 70 + 8 + 68 + 9 + 9 + 2 + 489 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25626566889 + 1145242425600 = 160083^2 + 1070160^2 .

It is not a de Polignac number, because 1170868992489 - 2¹ = 1170868992487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1170868992487) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2704085217 + ... + 2704085649.

Almost surely, 2^{1170868992489} is an apocalyptic number.

1170868992489 is the 1082067-th square number.

1170868992489 is the 541034-th centered octagonal number.

It is an amenable number.

1170868992489 is a deficient number, since it is larger than the sum of its proper divisors (929882948604).

1170868992489 is an frugal number, since it uses more digits than its factorization.

1170868992489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 72.

The spelling of 1170868992489 in words is "one trillion, one hundred seventy billion, eight hundred sixty-eight million, nine hundred ninety-two thousand, four hundred eighty-nine".