1089384461165 has 192 divisors, whose sum is σ = 1802721070080. Its totient is φ = 614825164800.

The previous prime is 1089384461119. The next prime is 1089384461167. The reversal of 1089384461165 is 5611644839801.

It is not a de Polignac number, because 1089384461165 - 2¹⁰ = 1089384460141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1089384461165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089384461167) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 895138637 + ... + 895139853.

It is an arithmetic number, because the mean of its divisors is an integer number (9389172240).

Almost surely, 2^{1089384461165} is an apocalyptic number.

It is an amenable number.

1089384461165 is a deficient number, since it is larger than the sum of its proper divisors (713336608915).

1089384461165 is a wasteful number, since it uses less digits than its factorization.

1089384461165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 1089384461165 in words is "one trillion, eighty-nine billion, three hundred eighty-four million, four hundred sixty-one thousand, one hundred sixty-five".