1089241521967 has 4 divisors (see below), whose sum is σ = 1089328764496. Its totient is φ = 1089154279440.

The previous prime is 1089241521931. The next prime is 1089241521971. The reversal of 1089241521967 is 7691251429801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1089241521967 - 2¹⁵ = 1089241489199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089241521367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43602534 + ... + 43627507.

It is an arithmetic number, because the mean of its divisors is an integer number (272332191124).

Almost surely, 2^{1089241521967} is an apocalyptic number.

1089241521967 is a deficient number, since it is larger than the sum of its proper divisors (87242529).

1089241521967 is an equidigital number, since it uses as much as digits as its factorization.

1089241521967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87242528.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 1089241521967 in words is "one trillion, eighty-nine billion, two hundred forty-one million, five hundred twenty-one thousand, nine hundred sixty-seven".