1533125440121 has 8 divisors (see below), whose sum is σ = 1673115628800. Its totient is φ = 1393237776240.

The previous prime is 1533125440081. The next prime is 1533125440151. The reversal of 1533125440121 is 1210445213351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1533125440121 is a prime.

It is a super-3 number, since 3×1533125440121³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1533125440151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25599926 + ... + 25659743.

It is an arithmetic number, because the mean of its divisors is an integer number (209139453600).

Almost surely, 2^{1533125440121} is an apocalyptic number.

1533125440121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1533125440121 is a deficient number, since it is larger than the sum of its proper divisors (139990188679).

1533125440121 is a wasteful number, since it uses less digits than its factorization.

1533125440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51262399.

The product of its (nonzero) digits is 14400, while the sum is 32.

It can be divided in two parts, 15331 and 25440121, that added together give a palindrome (25455452).

The spelling of 1533125440121 in words is "one trillion, five hundred thirty-three billion, one hundred twenty-five million, four hundred forty thousand, one hundred twenty-one".