15048061665 has 48 divisors (see below), whose sum is σ = 29795960448. Its totient is φ = 6349943808.

The previous prime is 15048061661. The next prime is 15048061709. The reversal of 15048061665 is 56616084051.

15048061665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15048061665 - 2² = 15048061661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15048061661) 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 in 47 ways as a sum of consecutive naturals, for example, 406264 + ... + 441753.

It is an arithmetic number, because the mean of its divisors is an integer number (620749176).

Almost surely, 2^15048061665 is an apocalyptic number.

15048061665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15048061665 is a deficient number, since it is larger than the sum of its proper divisors (14747898783).

15048061665 is a wasteful number, since it uses less digits than its factorization.

15048061665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848058 (or 848045 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 15048061665 in words is "fifteen billion, forty-eight million, sixty-one thousand, six hundred sixty-five".