28316111452 has 12 divisors (see below), whose sum is σ = 49567831936. Its totient is φ = 14153873760.

The previous prime is 28316111437. The next prime is 28316111459. The reversal of 28316111452 is 25411161382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28316111459) 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, 1030233 + ... + 1057360.

Almost surely, 2^28316111452 is an apocalyptic number.

It is an amenable number.

28316111452 is a deficient number, since it is larger than the sum of its proper divisors (21251720484).

28316111452 is a wasteful number, since it uses less digits than its factorization.

28316111452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090988 (or 2090986 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The spelling of 28316111452 in words is "twenty-eight billion, three hundred sixteen million, one hundred eleven thousand, four hundred fifty-two".