12505532153 has 8 divisors (see below), whose sum is σ = 12912483840. Its totient is φ = 12098802240.

The previous prime is 12505532141. The next prime is 12505532159. The reversal of 12505532153 is 35123550521.

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

It is a cyclic number.

It is not a de Polignac number, because 12505532153 - 2²⁶ = 12438423289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12505532159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63233 + ... + 170321.

It is an arithmetic number, because the mean of its divisors is an integer number (1614060480).

Almost surely, 2^12505532153 is an apocalyptic number.

It is an amenable number.

12505532153 is a deficient number, since it is larger than the sum of its proper divisors (406951687).

12505532153 is a wasteful number, since it uses less digits than its factorization.

12505532153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110887.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 12505532153 in words is "twelve billion, five hundred five million, five hundred thirty-two thousand, one hundred fifty-three".