13155244110551 has 8 divisors (see below), whose sum is σ = 13511874405120. Its totient is φ = 12798670824288.

The previous prime is 13155244110527. The next prime is 13155244110557. The reversal of 13155244110551 is 15501144255131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13155244110551 is a prime.

It is a super-2 number, since 2×13155244110551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155244110557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13784096 + ... + 14707541.

It is an arithmetic number, because the mean of its divisors is an integer number (1688984300640).

Almost surely, 2^{13155244110551} is an apocalyptic number.

13155244110551 is a deficient number, since it is larger than the sum of its proper divisors (356630294569).

13155244110551 is a wasteful number, since it uses less digits than its factorization.

13155244110551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28504153.

The product of its (nonzero) digits is 60000, while the sum is 38.

Adding to 13155244110551 its reverse (15501144255131), we get a palindrome (28656388365682).

The spelling of 13155244110551 in words is "thirteen trillion, one hundred fifty-five billion, two hundred forty-four million, one hundred ten thousand, five hundred fifty-one".