1089895124641 has 4 divisors (see below), whose sum is σ = 1095983924400. Its totient is φ = 1083806324884.

The previous prime is 1089895124639. The next prime is 1089895124663. The reversal of 1089895124641 is 1464215989801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1089895124641 - 2¹ = 1089895124639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089895124441) 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, 3044399611 + ... + 3044399968.

It is an arithmetic number, because the mean of its divisors is an integer number (273995981100).

Almost surely, 2^{1089895124641} is an apocalyptic number.

It is an amenable number.

1089895124641 is a deficient number, since it is larger than the sum of its proper divisors (6088799759).

1089895124641 is an equidigital number, since it uses as much as digits as its factorization.

1089895124641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088799758.

The product of its (nonzero) digits is 4976640, while the sum is 58.

The spelling of 1089895124641 in words is "one trillion, eighty-nine billion, eight hundred ninety-five million, one hundred twenty-four thousand, six hundred forty-one".