28013152052 has 24 divisors (see below), whose sum is σ = 49440333600. Its totient is φ = 13887606816.

The previous prime is 28013152043. The next prime is 28013152087. The reversal of 28013152052 is 25025131082.

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, 397199 + ... + 462377.

It is an arithmetic number, because the mean of its divisors is an integer number (2060013900).

Almost surely, 2^28013152052 is an apocalyptic number.

It is an amenable number.

28013152052 is a deficient number, since it is larger than the sum of its proper divisors (21427181548).

28013152052 is a wasteful number, since it uses less digits than its factorization.

28013152052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66095 (or 66093 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 28013152052 in words is "twenty-eight billion, thirteen million, one hundred fifty-two thousand, fifty-two".