1089597225601 has 4 divisors (see below), whose sum is σ = 1089609942100. Its totient is φ = 1089584509104.

The previous prime is 1089597225593. The next prime is 1089597225749. The reversal of 1089597225601 is 1065227959801.

1089597225601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59370195600 + 1030227030001 = 243660^2 + 1015001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089597225601 - 2³ = 1089597225593 is a prime.

It is a super-2 number, since 2×1089597225601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089598225601) 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, 6228846 + ... + 6401383.

It is an arithmetic number, because the mean of its divisors is an integer number (272402485525).

Almost surely, 2^{1089597225601} is an apocalyptic number.

It is an amenable number.

1089597225601 is a deficient number, since it is larger than the sum of its proper divisors (12716499).

1089597225601 is an equidigital number, since it uses as much as digits as its factorization.

1089597225601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716498.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 1089597225601 in words is "one trillion, eighty-nine billion, five hundred ninety-seven million, two hundred twenty-five thousand, six hundred one".