13154253243555 has 32 divisors (see below), whose sum is σ = 21090063456000. Its totient is φ = 7001183756160.

The previous prime is 13154253243553. The next prime is 13154253243569. The reversal of 13154253243555 is 55534235245131.

It is not a de Polignac number, because 13154253243555 - 2¹ = 13154253243553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13154253243553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214197484 + ... + 214258886.

It is an arithmetic number, because the mean of its divisors is an integer number (659064483000).

Almost surely, 2^{13154253243555} is an apocalyptic number.

13154253243555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13154253243555 is a deficient number, since it is larger than the sum of its proper divisors (7935810212445).

13154253243555 is a wasteful number, since it uses less digits than its factorization.

13154253243555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90531.

The product of its digits is 5400000, while the sum is 48.

Adding to 13154253243555 its reverse (55534235245131), we get a palindrome (68688488488686).

The spelling of 13154253243555 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty-three million, two hundred forty-three thousand, five hundred fifty-five".