1159170915904 has 21 divisors (see below), whose sum is σ = 2300246878161. Its totient is φ = 579581151360.

The previous prime is 1159170915899. The next prime is 1159170915913. The reversal of 1159170915904 is 4095190719511.

It is a happy number.

The square root of 1159170915904 is 1076648.

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

It can be written as a sum of positive squares in only one way, i.e., 1137737955904 + 21432960000 = 1066648^2 + 146400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8545894 + ... + 8680474.

Almost surely, 2^{1159170915904} is an apocalyptic number.

1159170915904 is the 1076648-th square number.

It is an amenable number.

1159170915904 is a deficient number, since it is larger than the sum of its proper divisors (1141075962257).

1159170915904 is an frugal number, since it uses more digits than its factorization.

1159170915904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269174 (or 134583 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 52.

The spelling of 1159170915904 in words is "one trillion, one hundred fifty-nine billion, one hundred seventy million, nine hundred fifteen thousand, nine hundred four".