28061111445 has 8 divisors (see below), whose sum is σ = 44897778336. Its totient is φ = 14965926096.

The previous prime is 28061111431. The next prime is 28061111459. The reversal of 28061111445 is 54411116082.

It is an interprime number because it is at equal distance from previous prime (28061111431) and next prime (28061111459).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28061111445 - 2⁵ = 28061111413 is a prime.

It is a congruent number.

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, 935370367 + ... + 935370396.

It is an arithmetic number, because the mean of its divisors is an integer number (5612222292).

Almost surely, 2^28061111445 is an apocalyptic number.

It is an amenable number.

28061111445 is a deficient number, since it is larger than the sum of its proper divisors (16836666891).

28061111445 is a wasteful number, since it uses less digits than its factorization.

28061111445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870740771.

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 28061111445 in words is "twenty-eight billion, sixty-one million, one hundred eleven thousand, four hundred forty-five".