15253507065 has 16 divisors (see below), whose sum is σ = 25192889856. Its totient is φ = 7872777600.

The previous prime is 15253507063. The next prime is 15253507081. The reversal of 15253507065 is 56070535251.

It is not a de Polignac number, because 15253507065 - 2¹ = 15253507063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15253507063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16401156 + ... + 16402085.

It is an arithmetic number, because the mean of its divisors is an integer number (1574555616).

Almost surely, 2^15253507065 is an apocalyptic number.

15253507065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15253507065 is a deficient number, since it is larger than the sum of its proper divisors (9939382791).

15253507065 is a wasteful number, since it uses less digits than its factorization.

15253507065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32803280.

The product of its (nonzero) digits is 157500, while the sum is 39.

The spelling of 15253507065 in words is "fifteen billion, two hundred fifty-three million, five hundred seven thousand, sixty-five".