35533440121 has 4 divisors (see below), whose sum is σ = 37403621200. Its totient is φ = 33663259044.

The previous prime is 35533440119. The next prime is 35533440161. The reversal of 35533440121 is 12104433553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 35533440121 - 2¹ = 35533440119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35533440101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935090511 + ... + 935090548.

It is an arithmetic number, because the mean of its divisors is an integer number (9350905300).

Almost surely, 2^35533440121 is an apocalyptic number.

It is an amenable number.

35533440121 is a deficient number, since it is larger than the sum of its proper divisors (1870181079).

35533440121 is a wasteful number, since it uses less digits than its factorization.

35533440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870181078.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 35533440121 its reverse (12104433553), we get a palindrome (47637873674).

The spelling of 35533440121 in words is "thirty-five billion, five hundred thirty-three million, four hundred forty thousand, one hundred twenty-one".