1089009990936 has 128 divisors (see below), whose sum is σ = 3457513382400. Its totient is φ = 311115219840.

The previous prime is 1089009990919. The next prime is 1089009990997. The reversal of 1089009990936 is 6390999009801.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18678871 + ... + 18737081.

It is an arithmetic number, because the mean of its divisors is an integer number (27011823300).

Almost surely, 2^{1089009990936} is an apocalyptic number.

It is an amenable number.

1089009990936 is an abundant number, since it is smaller than the sum of its proper divisors (2368503391464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1089009990936 is a wasteful number, since it uses less digits than its factorization.

1089009990936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70606 (or 70596 counting only the distinct ones).

The product of its (nonzero) digits is 8503056, while the sum is 63.

The spelling of 1089009990936 in words is "one trillion, eighty-nine billion, nine million, nine hundred ninety thousand, nine hundred thirty-six".