28545068545 has 16 divisors (see below), whose sum is σ = 39151300608. Its totient is φ = 19571872320.

The previous prime is 28545068537. The next prime is 28545068557. The reversal of 28545068545 is 54586054582.

It is not a de Polignac number, because 28545068545 - 2³ = 28545068537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28545068492 and 28545068501.

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, 396480 + ... + 462910.

It is an arithmetic number, because the mean of its divisors is an integer number (2446956288).

Almost surely, 2^28545068545 is an apocalyptic number.

It is an amenable number.

28545068545 is a deficient number, since it is larger than the sum of its proper divisors (10606232063).

28545068545 is a wasteful number, since it uses less digits than its factorization.

28545068545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78720.

The product of its (nonzero) digits is 7680000, while the sum is 52.

The spelling of 28545068545 in words is "twenty-eight billion, five hundred forty-five million, sixty-eight thousand, five hundred forty-five".