15552341213 has 2 divisors, whose sum is σ = 15552341214. Its totient is φ = 15552341212.

The previous prime is 15552341209. The next prime is 15552341281. The reversal of 15552341213 is 31214325551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8903243449 + 6649097764 = 94357^2 + 81542^2 .

It is a cyclic number.

It is not a de Polignac number, because 15552341213 - 2² = 15552341209 is a prime.

It is a super-2 number, since 2×15552341213² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15552341213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15552301213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7776170606 + 7776170607.

It is an arithmetic number, because the mean of its divisors is an integer number (7776170607).

Almost surely, 2^15552341213 is an apocalyptic number.

It is an amenable number.

15552341213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15552341213 is an equidigital number, since it uses as much as digits as its factorization.

15552341213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

Adding to 15552341213 its reverse (31214325551), we get a palindrome (46766666764).

The spelling of 15552341213 in words is "fifteen billion, five hundred fifty-two million, three hundred forty-one thousand, two hundred thirteen".