15135052019 has 2 divisors, whose sum is σ = 15135052020. Its totient is φ = 15135052018.

The previous prime is 15135051991. The next prime is 15135052081. The reversal of 15135052019 is 91025053151.

15135052019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15135052019 - 2¹² = 15135047923 is a prime.

It is a super-2 number, since 2×15135052019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15135052819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7567526009 + 7567526010.

It is an arithmetic number, because the mean of its divisors is an integer number (7567526010).

Almost surely, 2^15135052019 is an apocalyptic number.

15135052019 is a deficient number, since it is larger than the sum of its proper divisors (1).

15135052019 is an equidigital number, since it uses as much as digits as its factorization.

15135052019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 15135052019 in words is "fifteen billion, one hundred thirty-five million, fifty-two thousand, nineteen".