14525535121 has 2 divisors, whose sum is σ = 14525535122. Its totient is φ = 14525535120.

The previous prime is 14525535103. The next prime is 14525535191. The reversal of 14525535121 is 12153552541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13732324225 + 793210896 = 117185^2 + 28164^2 .

It is a cyclic number.

It is not a de Polignac number, because 14525535121 - 2¹⁵ = 14525502353 is a prime.

It is not a weakly prime, because it can be changed into another prime (14525535191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7262767560 + 7262767561.

It is an arithmetic number, because the mean of its divisors is an integer number (7262767561).

Almost surely, 2^14525535121 is an apocalyptic number.

It is an amenable number.

14525535121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14525535121 is an equidigital number, since it uses as much as digits as its factorization.

14525535121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30000, while the sum is 34.

The spelling of 14525535121 in words is "fourteen billion, five hundred twenty-five million, five hundred thirty-five thousand, one hundred twenty-one".