28520656230154 has 32 divisors (see below), whose sum is σ = 47686993920000. Its totient is φ = 12681758107440.

The previous prime is 28520656229999. The next prime is 28520656230161. The reversal of 28520656230154 is 45103265602582.

It is a junction number, because it is equal to n+sod(n) for n = 28520656230098 and 28520656230107.

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, 4832194 + ... + 8966125.

It is an arithmetic number, because the mean of its divisors is an integer number (1490218560000).

Almost surely, 2^{28520656230154} is an apocalyptic number.

28520656230154 is a deficient number, since it is larger than the sum of its proper divisors (19166337689846).

28520656230154 is a wasteful number, since it uses less digits than its factorization.

28520656230154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800378.

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 28520656230154 in words is "twenty-eight trillion, five hundred twenty billion, six hundred fifty-six million, two hundred thirty thousand, one hundred fifty-four".