7535122989121 has 32 divisors (see below), whose sum is σ = 9337297132800. Its totient is φ = 5921172036864.

The previous prime is 7535122989041. The next prime is 7535122989127. The reversal of 7535122989121 is 1219892215357.

It is not a de Polignac number, because 7535122989121 - 2⁷ = 7535122988993 is a prime.

It is a super-2 number, since 2×7535122989121² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7535122989127) 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, 143875486 + ... + 143927848.

It is an arithmetic number, because the mean of its divisors is an integer number (291790535400).

Almost surely, 2^{7535122989121} is an apocalyptic number.

It is an amenable number.

7535122989121 is a deficient number, since it is larger than the sum of its proper divisors (1802174143679).

7535122989121 is a wasteful number, since it uses less digits than its factorization.

7535122989121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63145.

The product of its digits is 2721600, while the sum is 55.

The spelling of 7535122989121 in words is "seven trillion, five hundred thirty-five billion, one hundred twenty-two million, nine hundred eighty-nine thousand, one hundred twenty-one".