1728456296311 has 8 divisors (see below), whose sum is σ = 1861149353040. Its totient is φ = 1599209812608.

The previous prime is 1728456296263. The next prime is 1728456296339. The reversal of 1728456296311 is 1136926548271.

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 1728456296311 - 2⁷ = 1728456296183 is a prime.

It is a super-2 number, since 2×1728456296311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728456296111) 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, 861642216 + ... + 861644221.

It is an arithmetic number, because the mean of its divisors is an integer number (232643669130).

Almost surely, 2^{1728456296311} is an apocalyptic number.

1728456296311 is a deficient number, since it is larger than the sum of its proper divisors (132693056729).

1728456296311 is a wasteful number, since it uses less digits than its factorization.

1728456296311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723286513.

The product of its digits is 4354560, while the sum is 55.

The spelling of 1728456296311 in words is "one trillion, seven hundred twenty-eight billion, four hundred fifty-six million, two hundred ninety-six thousand, three hundred eleven".