12113015553 has 12 divisors (see below), whose sum is σ = 17676956388. Its totient is φ = 7992092160.

The previous prime is 12113015543. The next prime is 12113015561. The reversal of 12113015553 is 35551031121.

It can be written as a sum of positive squares in 2 ways, for example, as 8642863089 + 3470152464 = 92967^2 + 58908^2 .

It is not a de Polignac number, because 12113015553 - 2²¹ = 12110918401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12113015543) 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 11 ways as a sum of consecutive naturals, for example, 6936708 + ... + 6938453.

It is an arithmetic number, because the mean of its divisors is an integer number (1473079699).

Almost surely, 2^12113015553 is an apocalyptic number.

It is an amenable number.

12113015553 is a deficient number, since it is larger than the sum of its proper divisors (5563940835).

12113015553 is a wasteful number, since it uses less digits than its factorization.

12113015553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13875264 (or 13875261 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 12113015553 its reverse (35551031121), we get a palindrome (47664046674).

The spelling of 12113015553 in words is "twelve billion, one hundred thirteen million, fifteen thousand, five hundred fifty-three".