12899528755 has 8 divisors (see below), whose sum is σ = 15771499632. Its totient is φ = 10124912928.

The previous prime is 12899528743. The next prime is 12899528777. The reversal of 12899528755 is 55782599821.

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 12899528755 - 2⁵ = 12899528723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12899528693 and 12899528702.

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, 24338469 + ... + 24338998.

It is an arithmetic number, because the mean of its divisors is an integer number (1971437454).

Almost surely, 2^12899528755 is an apocalyptic number.

12899528755 is a deficient number, since it is larger than the sum of its proper divisors (2871970877).

12899528755 is an equidigital number, since it uses as much as digits as its factorization.

12899528755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48677525.

The product of its digits is 18144000, while the sum is 61.

The spelling of 12899528755 in words is "twelve billion, eight hundred ninety-nine million, five hundred twenty-eight thousand, seven hundred fifty-five".