1089216527242 has 24 divisors (see below), whose sum is σ = 1773154800108. Its totient is φ = 500070689280.

The previous prime is 1089216527237. The next prime is 1089216527257. The reversal of 1089216527242 is 2427256129801.

It can be written as a sum of positive squares in 6 ways, for example, as 396208561401 + 693007965841 = 629451^2 + 832471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9471633 + ... + 9585940.

Almost surely, 2^{1089216527242} is an apocalyptic number.

1089216527242 is a deficient number, since it is larger than the sum of its proper divisors (683938272866).

1089216527242 is a wasteful number, since it uses less digits than its factorization.

1089216527242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19057674 (or 19057633 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1089216527242 in words is "one trillion, eighty-nine billion, two hundred sixteen million, five hundred twenty-seven thousand, two hundred forty-two".