12342153555 has 48 divisors (see below), whose sum is σ = 21560647680. Its totient is φ = 6531105600.

The previous prime is 12342153541. The next prime is 12342153557. The reversal of 12342153555 is 55535124321.

12342153555 is a `hidden beast` number, since 1 + 2 + 34 + 21 + 53 + 555 = 666.

It is not a de Polignac number, because 12342153555 - 2²¹ = 12340056403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12342153557) 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 47 ways as a sum of consecutive naturals, for example, 3771570 + ... + 3774840.

It is an arithmetic number, because the mean of its divisors is an integer number (449180160).

Almost surely, 2^12342153555 is an apocalyptic number.

12342153555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12342153555 is a deficient number, since it is larger than the sum of its proper divisors (9218494125).

12342153555 is a wasteful number, since it uses less digits than its factorization.

12342153555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912 (or 3909 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 12342153555 its reverse (55535124321), we get a palindrome (67877277876).

The spelling of 12342153555 in words is "twelve billion, three hundred forty-two million, one hundred fifty-three thousand, five hundred fifty-five".