28110512542 has 32 divisors (see below), whose sum is σ = 49097664000. Its totient is φ = 11822260128.

The previous prime is 28110512471. The next prime is 28110512557. The reversal of 28110512542 is 24521501182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91959 + ... + 254317.

It is an arithmetic number, because the mean of its divisors is an integer number (1534302000).

Almost surely, 2^28110512542 is an apocalyptic number.

28110512542 is a deficient number, since it is larger than the sum of its proper divisors (20987151458).

28110512542 is a wasteful number, since it uses less digits than its factorization.

28110512542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162600.

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 28110512542 in words is "twenty-eight billion, one hundred ten million, five hundred twelve thousand, five hundred forty-two".