12554135502 has 32 divisors (see below), whose sum is σ = 25672038912. Its totient is φ = 4090955904.

The previous prime is 12554135501. The next prime is 12554135513. The reversal of 12554135502 is 20553145521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554135501) 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 15 ways as a sum of consecutive naturals, for example, 223798 + ... + 274214.

It is an arithmetic number, because the mean of its divisors is an integer number (802251216).

Almost surely, 2^12554135502 is an apocalyptic number.

12554135502 is an abundant number, since it is smaller than the sum of its proper divisors (13117903410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12554135502 is a wasteful number, since it uses less digits than its factorization.

12554135502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51352.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 12554135502 in words is "twelve billion, five hundred fifty-four million, one hundred thirty-five thousand, five hundred two".