15552432113 has 2 divisors, whose sum is σ = 15552432114. Its totient is φ = 15552432112.

The previous prime is 15552432109. The next prime is 15552432157. The reversal of 15552432113 is 31123425551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7820395489 + 7732036624 = 88433^2 + 87932^2 .

It is a cyclic number.

It is not a de Polignac number, because 15552432113 - 2² = 15552432109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15552432113.

It is not a weakly prime, because it can be changed into another prime (15552432013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7776216056 + 7776216057.

It is an arithmetic number, because the mean of its divisors is an integer number (7776216057).

Almost surely, 2^15552432113 is an apocalyptic number.

It is an amenable number.

15552432113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15552432113 is an equidigital number, since it uses as much as digits as its factorization.

15552432113 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 15552432113 its reverse (31123425551), we get a palindrome (46675857664).

The spelling of 15552432113 in words is "fifteen billion, five hundred fifty-two million, four hundred thirty-two thousand, one hundred thirteen".