1611125089 has 16 divisors (see below), whose sum is σ = 1871809408. Its totient is φ = 1358249472.

The previous prime is 1611125063. The next prime is 1611125093. The reversal of 1611125089 is 9805211161.

It is a cyclic number.

It is not a de Polignac number, because 1611125089 - 2⁵ = 1611125057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1611125039) 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, 103399 + ... + 117955.

It is an arithmetic number, because the mean of its divisors is an integer number (116988088).

Almost surely, 2^1611125089 is an apocalyptic number.

It is an amenable number.

1611125089 is a deficient number, since it is larger than the sum of its proper divisors (260684319).

1611125089 is a wasteful number, since it uses less digits than its factorization.

1611125089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824.

The product of its (nonzero) digits is 4320, while the sum is 34.

The square root of 1611125089 is about 40138.8227156702. The cubic root of 1611125089 is about 1172.3116662784.

The spelling of 1611125089 in words is "one billion, six hundred eleven million, one hundred twenty-five thousand, eighty-nine".