7535606121 has 16 divisors (see below), whose sum is σ = 11170172800. Its totient is φ = 5020897104.

The previous prime is 7535606119. The next prime is 7535606129. The reversal of 7535606121 is 1216065357.

7535606121 is a `hidden beast` number, since 7 + 5 + 35 + 6 + 0 + 612 + 1 = 666.

It is not a de Polignac number, because 7535606121 - 2¹ = 7535606119 is a prime.

It is a super-2 number, since 2×7535606121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7535606129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29701 + ... + 126306.

It is an arithmetic number, because the mean of its divisors is an integer number (698135800).

Almost surely, 2^7535606121 is an apocalyptic number.

It is an amenable number.

7535606121 is a deficient number, since it is larger than the sum of its proper divisors (3634566679).

7535606121 is a wasteful number, since it uses less digits than its factorization.

7535606121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157805 (or 157799 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 7535606121 is about 86807.8690039100. The cubic root of 7535606121 is about 1960.5265592928.

The spelling of 7535606121 in words is "seven billion, five hundred thirty-five million, six hundred six thousand, one hundred twenty-one".