28535107425 has 96 divisors (see below), whose sum is σ = 52307652096. Its totient is φ = 13610688000.

The previous prime is 28535107411. The next prime is 28535107463. The reversal of 28535107425 is 52470153582.

It is not a de Polignac number, because 28535107425 - 2¹⁰ = 28535106401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19240734 + ... + 19242216.

It is an arithmetic number, because the mean of its divisors is an integer number (544871376).

Almost surely, 2^28535107425 is an apocalyptic number.

28535107425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28535107425 is a deficient number, since it is larger than the sum of its proper divisors (23772544671).

28535107425 is a wasteful number, since it uses less digits than its factorization.

28535107425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 28535107425 in words is "twenty-eight billion, five hundred thirty-five million, one hundred seven thousand, four hundred twenty-five".