109435435051025 has 6 divisors (see below), whose sum is σ = 135699939463302. Its totient is φ = 87548348040800.

The previous prime is 109435435050989. The next prime is 109435435051069. The reversal of 109435435051025 is 520150534534901.

It can be written as a sum of positive squares in 3 ways, for example, as 37866694502464 + 71568740548561 = 6153592^2 + 8459831^2 .

It is not a de Polignac number, because 109435435051025 - 2³⁰ = 109434361309201 is a prime.

It is a super-2 number, since 2×109435435051025² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2188708700996 + ... + 2188708701045.

It is an arithmetic number, because the mean of its divisors is an integer number (22616656577217).

Almost surely, 2^{109435435051025} is an apocalyptic number.

It is an amenable number.

109435435051025 is a deficient number, since it is larger than the sum of its proper divisors (26264504412277).

109435435051025 is an equidigital number, since it uses as much as digits as its factorization.

109435435051025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377417402051 (or 4377417402046 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

Adding to 109435435051025 its reverse (520150534534901), we get a palindrome (629585969585926).

The spelling of 109435435051025 in words is "one hundred nine trillion, four hundred thirty-five billion, four hundred thirty-five million, fifty-one thousand, twenty-five".