28135055026 has 32 divisors (see below), whose sum is σ = 47456212608. Its totient is φ = 12412646400.

The previous prime is 28135055021. The next prime is 28135055057. The reversal of 28135055026 is 62055053182.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28135055021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942705 + ... + 972091.

It is an arithmetic number, because the mean of its divisors is an integer number (1483006644).

Almost surely, 2^28135055026 is an apocalyptic number.

28135055026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28135055026 is a deficient number, since it is larger than the sum of its proper divisors (19321157582).

28135055026 is a wasteful number, since it uses less digits than its factorization.

28135055026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31026.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 28135055026 in words is "twenty-eight billion, one hundred thirty-five million, fifty-five thousand, twenty-six".