1106509025 has 18 divisors (see below), whose sum is σ = 1406890422. Its totient is φ = 862785600.

The previous prime is 1106509021. The next prime is 1106509043. The reversal of 1106509025 is 5209056011.

It can be written as a sum of positive squares in 3 ways, for example, as 1079521 + 1105429504 = 1039^2 + 33248^2 .

It is not a de Polignac number, because 1106509025 - 2² = 1106509021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106509021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1064456 + ... + 1065494.

It is an arithmetic number, because the mean of its divisors is an integer number (78160579).

Almost surely, 2^1106509025 is an apocalyptic number.

It is an amenable number.

1106509025 is a deficient number, since it is larger than the sum of its proper divisors (300381397).

1106509025 is an frugal number, since it uses more digits than its factorization.

1106509025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 1106509025 is about 33264.2304134636. The cubic root of 1106509025 is about 1034.3122146792.

The spelling of 1106509025 in words is "one billion, one hundred six million, five hundred nine thousand, twenty-five".