128915415295 has 8 divisors (see below), whose sum is σ = 154704545424. Its totient is φ = 103128300864.

The previous prime is 128915415271. The next prime is 128915415337. The reversal of 128915415295 is 592514519821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128915415295 - 2²¹ = 128913318143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359454 + ... + 622123.

It is an arithmetic number, because the mean of its divisors is an integer number (19338068178).

Almost surely, 2^128915415295 is an apocalyptic number.

128915415295 is a deficient number, since it is larger than the sum of its proper divisors (25789130129).

128915415295 is an equidigital number, since it uses as much as digits as its factorization.

128915415295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007849.

The product of its digits is 1296000, while the sum is 52.

The spelling of 128915415295 in words is "one hundred twenty-eight billion, nine hundred fifteen million, four hundred fifteen thousand, two hundred ninety-five".