35115423121 has 32 divisors (see below), whose sum is σ = 38210844672. Its totient is φ = 32186246400.

The previous prime is 35115423113. The next prime is 35115423137. The reversal of 35115423121 is 12132451153.

It is a cyclic number.

It is not a de Polignac number, because 35115423121 - 2³ = 35115423113 is a prime.

It is a super-2 number, since 2×35115423121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35115423121.

It is not an unprimeable number, because it can be changed into a prime (35115423181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12393721 + ... + 12396553.

It is an arithmetic number, because the mean of its divisors is an integer number (1194088896).

Almost surely, 2^35115423121 is an apocalyptic number.

It is an amenable number.

35115423121 is a deficient number, since it is larger than the sum of its proper divisors (3095421551).

35115423121 is a wasteful number, since it uses less digits than its factorization.

35115423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133.

The product of its digits is 3600, while the sum is 28.

Adding to 35115423121 its reverse (12132451153), we get a palindrome (47247874274).

The spelling of 35115423121 in words is "thirty-five billion, one hundred fifteen million, four hundred twenty-three thousand, one hundred twenty-one".