128757015297011 has 8 divisors (see below), whose sum is σ = 129312795777984. Its totient is φ = 128201261955520.

The previous prime is 128757015297007. The next prime is 128757015297019. The reversal of 128757015297011 is 110792510757821.

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 128757015297011 - 2² = 128757015297007 is a prime.

It is a super-3 number, since 3×128757015297011³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128757015297019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753021 + ... + 16281681.

It is an arithmetic number, because the mean of its divisors is an integer number (16164099472248).

Almost surely, 2^{128757015297011} is an apocalyptic number.

128757015297011 is a deficient number, since it is larger than the sum of its proper divisors (555780480973).

128757015297011 is a wasteful number, since it uses less digits than its factorization.

128757015297011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13569741.

The product of its (nonzero) digits is 2469600, while the sum is 56.

The spelling of 128757015297011 in words is "one hundred twenty-eight trillion, seven hundred fifty-seven billion, fifteen million, two hundred ninety-seven thousand, eleven".