12555354101 has 4 divisors (see below), whose sum is σ = 12559429632. Its totient is φ = 12551278572.

The previous prime is 12555354089. The next prime is 12555354121. The reversal of 12555354101 is 10145355521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12555354101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12555354121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033141 + ... + 2039306.

It is an arithmetic number, because the mean of its divisors is an integer number (3139857408).

Almost surely, 2^12555354101 is an apocalyptic number.

It is an amenable number.

12555354101 is a deficient number, since it is larger than the sum of its proper divisors (4075531).

12555354101 is an equidigital number, since it uses as much as digits as its factorization.

12555354101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075530.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 12555354101 in words is "twelve billion, five hundred fifty-five million, three hundred fifty-four thousand, one hundred one".