109505533225 has 12 divisors (see below), whose sum is σ = 148131121680. Its totient is φ = 79640387600.

The previous prime is 109505533219. The next prime is 109505533283. The reversal of 109505533225 is 522335505901.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-109505533225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199100695 + ... + 199101244.

It is an arithmetic number, because the mean of its divisors is an integer number (12344260140).

Almost surely, 2^109505533225 is an apocalyptic number.

It is an amenable number.

109505533225 is a deficient number, since it is larger than the sum of its proper divisors (38625588455).

109505533225 is a wasteful number, since it uses less digits than its factorization.

109505533225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398201960 (or 398201955 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 109505533225 in words is "one hundred nine billion, five hundred five million, five hundred thirty-three thousand, two hundred twenty-five".