1089330473581 has 16 divisors (see below), whose sum is σ = 1275793521408. Its totient is φ = 910595664000.

The previous prime is 1089330473579. The next prime is 1089330473633. The reversal of 1089330473581 is 1853740339801.

It is a cyclic number.

It is not a de Polignac number, because 1089330473581 - 2¹ = 1089330473579 is a prime.

It is a super-2 number, since 2×1089330473581² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089330473501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51631 + ... + 1476931.

It is an arithmetic number, because the mean of its divisors is an integer number (79737095088).

Almost surely, 2^{1089330473581} is an apocalyptic number.

It is an amenable number.

1089330473581 is a deficient number, since it is larger than the sum of its proper divisors (186463047827).

1089330473581 is a wasteful number, since it uses less digits than its factorization.

1089330473581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428012.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 1089330473581 in words is "one trillion, eighty-nine billion, three hundred thirty million, four hundred seventy-three thousand, five hundred eighty-one".