109955244025 has 27 divisors (see below), whose sum is σ = 149891133133. Its totient is φ = 79954186400.

The previous prime is 109955244011. The next prime is 109955244037. The reversal of 109955244025 is 520442559901.

The square root of 109955244025 is 331595.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 15524412409 + 94430831616 = 124597^2 + 307296^2 .

It is not a de Polignac number, because 109955244025 - 2³¹ = 107807760377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18234711 + ... + 18240739.

Almost surely, 2^109955244025 is an apocalyptic number.

109955244025 is the 331595-th square number.

109955244025 is the 165798-th centered octagonal number.

It is an amenable number.

109955244025 is a deficient number, since it is larger than the sum of its proper divisors (39935889108).

109955244025 is an frugal number, since it uses more digits than its factorization.

109955244025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12090 (or 6045 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 109955244025 in words is "one hundred nine billion, nine hundred fifty-five million, two hundred forty-four thousand, twenty-five".