15504103133 has 2 divisors, whose sum is σ = 15504103134. Its totient is φ = 15504103132.

The previous prime is 15504103117. The next prime is 15504103141. The reversal of 15504103133 is 33130140551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7988426884 + 7515676249 = 89378^2 + 86693^2 .

It is an emirp because it is prime and its reverse (33130140551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15504103133 - 2⁴ = 15504103117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15504103183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7752051566 + 7752051567.

It is an arithmetic number, because the mean of its divisors is an integer number (7752051567).

Almost surely, 2^15504103133 is an apocalyptic number.

It is an amenable number.

15504103133 is a deficient number, since it is larger than the sum of its proper divisors (1).

15504103133 is an equidigital number, since it uses as much as digits as its factorization.

15504103133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 15504103133 its reverse (33130140551), we get a palindrome (48634243684).

The spelling of 15504103133 in words is "fifteen billion, five hundred four million, one hundred three thousand, one hundred thirty-three".