35525312121 has 16 divisors (see below), whose sum is σ = 51108268736. Its totient is φ = 21819917376.

The previous prime is 35525312057. The next prime is 35525312143. The reversal of 35525312121 is 12121352553.

It is not a de Polignac number, because 35525312121 - 2⁶ = 35525312057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35525312161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850450 + ... + 891243.

It is an arithmetic number, because the mean of its divisors is an integer number (3194266796).

Almost surely, 2^35525312121 is an apocalyptic number.

It is an amenable number.

35525312121 is a deficient number, since it is larger than the sum of its proper divisors (15582956615).

35525312121 is a wasteful number, since it uses less digits than its factorization.

35525312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742232.

The product of its digits is 9000, while the sum is 30.

Adding to 35525312121 its reverse (12121352553), we get a palindrome (47646664674).

The spelling of 35525312121 in words is "thirty-five billion, five hundred twenty-five million, three hundred twelve thousand, one hundred twenty-one".