13154214151553 has 4 divisors (see below), whose sum is σ = 13158723655380. Its totient is φ = 13149704647728.

The previous prime is 13154214151543. The next prime is 13154214151583. The reversal of 13154214151553 is 35515141245131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12592895530609 + 561318620944 = 3548647^2 + 749212^2 .

It is a cyclic number.

It is not a de Polignac number, because 13154214151553 - 2²⁰ = 13154213102977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13154214151553.

It is not an unprimeable number, because it can be changed into a prime (13154214151513) 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, 2254747538 + ... + 2254753371.

It is an arithmetic number, because the mean of its divisors is an integer number (3289680913845).

Almost surely, 2^{13154214151553} is an apocalyptic number.

It is an amenable number.

13154214151553 is a deficient number, since it is larger than the sum of its proper divisors (4509503827).

13154214151553 is an equidigital number, since it uses as much as digits as its factorization.

13154214151553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509503826.

The product of its digits is 180000, while the sum is 41.

Adding to 13154214151553 its reverse (35515141245131), we get a palindrome (48669355396684).

The spelling of 13154214151553 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fourteen million, one hundred fifty-one thousand, five hundred fifty-three".