1089918864028 has 6 divisors (see below), whose sum is σ = 1907358012056. Its totient is φ = 544959432012.

The previous prime is 1089918864011. The next prime is 1089918864059. The reversal of 1089918864028 is 8204688199801.

1089918864028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136239858000 + ... + 136239858007.

Almost surely, 2^{1089918864028} is an apocalyptic number.

It is an amenable number.

1089918864028 is a deficient number, since it is larger than the sum of its proper divisors (817439148028).

1089918864028 is a wasteful number, since it uses less digits than its factorization.

1089918864028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272479716011 (or 272479716009 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 64.

The spelling of 1089918864028 in words is "one trillion, eighty-nine billion, nine hundred eighteen million, eight hundred sixty-four thousand, twenty-eight".