35215112125 has 8 divisors (see below), whose sum is σ = 43948460088. Its totient is φ = 28172089600.

The previous prime is 35215112117. The next prime is 35215112147. The reversal of 35215112125 is 52121151253.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3853181476 + 31361930649 = 62074^2 + 177093^2 .

It is not a de Polignac number, because 35215112125 - 2³ = 35215112117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35215112093 and 35215112102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140860324 + ... + 140860573.

It is an arithmetic number, because the mean of its divisors is an integer number (5493557511).

Almost surely, 2^35215112125 is an apocalyptic number.

It is an amenable number.

35215112125 is a deficient number, since it is larger than the sum of its proper divisors (8733347963).

35215112125 is an equidigital number, since it uses as much as digits as its factorization.

35215112125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281720912 (or 281720902 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

Adding to 35215112125 its reverse (52121151253), we get a palindrome (87336263378).

The spelling of 35215112125 in words is "thirty-five billion, two hundred fifteen million, one hundred twelve thousand, one hundred twenty-five".