28811080883801 has 8 divisors (see below), whose sum is σ = 30519450856224. Its totient is φ = 27104222079040.

The previous prime is 28811080883797. The next prime is 28811080883831. The reversal of 28811080883801 is 10838808011882.

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 28811080883801 - 2² = 28811080883797 is a prime.

It is a super-2 number, since 2×28811080883801² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28811080883831) 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, 377752655 + ... + 377828916.

It is an arithmetic number, because the mean of its divisors is an integer number (3814931357028).

Almost surely, 2^{28811080883801} is an apocalyptic number.

It is an amenable number.

28811080883801 is a deficient number, since it is larger than the sum of its proper divisors (1708369972423).

28811080883801 is a wasteful number, since it uses less digits than its factorization.

28811080883801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755583831.

The product of its (nonzero) digits is 1572864, while the sum is 56.

The spelling of 28811080883801 in words is "twenty-eight trillion, eight hundred eleven billion, eighty million, eight hundred eighty-three thousand, eight hundred one".