28990000110101 has 4 divisors (see below), whose sum is σ = 30515789589600. Its totient is φ = 27464210630604.

The previous prime is 28990000110089. The next prime is 28990000110143. The reversal of 28990000110101 is 10101100009982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28990000110101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28990000110151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762894739721 + ... + 762894739758.

It is an arithmetic number, because the mean of its divisors is an integer number (7628947397400).

Almost surely, 2^{28990000110101} is an apocalyptic number.

It is an amenable number.

28990000110101 is a deficient number, since it is larger than the sum of its proper divisors (1525789479499).

28990000110101 is a wasteful number, since it uses less digits than its factorization.

28990000110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525789479498.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 28990000110101 in words is "twenty-eight trillion, nine hundred ninety billion, one hundred ten thousand, one hundred one".