121344032550153 has 64 divisors (see below), whose sum is σ = 190730729299968. Its totient is φ = 67184576659200.

The previous prime is 121344032550151. The next prime is 121344032550157. The reversal of 121344032550153 is 351055230443121.

It is not a de Polignac number, because 121344032550153 - 2¹ = 121344032550151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121344032550151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 940681726 + ... + 940810712.

It is an arithmetic number, because the mean of its divisors is an integer number (2980167645312).

Almost surely, 2^{121344032550153} is an apocalyptic number.

It is an amenable number.

121344032550153 is a deficient number, since it is larger than the sum of its proper divisors (69386696749815).

121344032550153 is a wasteful number, since it uses less digits than its factorization.

121344032550153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138582.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 121344032550153 its reverse (351055230443121), we get a palindrome (472399262993274).

The spelling of 121344032550153 in words is "one hundred twenty-one trillion, three hundred forty-four billion, thirty-two million, five hundred fifty thousand, one hundred fifty-three".