153365144512121 has 32 divisors (see below), whose sum is σ = 162396297463680. Its totient is φ = 144661702381056.

The previous prime is 153365144512091. The next prime is 153365144512159. The reversal of 153365144512121 is 121215441563351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153365144512121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153365144532121) 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, 1236085730 + ... + 1236209796.

It is an arithmetic number, because the mean of its divisors is an integer number (5074884295740).

Almost surely, 2^{153365144512121} is an apocalyptic number.

It is an amenable number.

153365144512121 is a deficient number, since it is larger than the sum of its proper divisors (9031152951559).

153365144512121 is a wasteful number, since it uses less digits than its factorization.

153365144512121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131993.

The product of its digits is 432000, while the sum is 44.

The spelling of 153365144512121 in words is "one hundred fifty-three trillion, three hundred sixty-five billion, one hundred forty-four million, five hundred twelve thousand, one hundred twenty-one".