15535155089 has 2 divisors, whose sum is σ = 15535155090. Its totient is φ = 15535155088.

The previous prime is 15535155073. The next prime is 15535155113. The reversal of 15535155089 is 98055153551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11121811600 + 4413343489 = 105460^2 + 66433^2 .

It is a cyclic number.

It is not a de Polignac number, because 15535155089 - 2⁴ = 15535155073 is a prime.

It is not a weakly prime, because it can be changed into another prime (15535155019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7767577544 + 7767577545.

It is an arithmetic number, because the mean of its divisors is an integer number (7767577545).

Almost surely, 2^15535155089 is an apocalyptic number.

It is an amenable number.

15535155089 is a deficient number, since it is larger than the sum of its proper divisors (1).

15535155089 is an equidigital number, since it uses as much as digits as its factorization.

15535155089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 15535155089 in words is "fifteen billion, five hundred thirty-five million, one hundred fifty-five thousand, eighty-nine".