28552512613000 has 64 divisors (see below), whose sum is σ = 67425841969200. Its totient is φ = 11316225139200.

The previous prime is 28552512612979. The next prime is 28552512613067. The reversal of 28552512613000 is 31621525582.

It can be written as a sum of positive squares in 8 ways, for example, as 1565796737124 + 26986715875876 = 1251318^2 + 5194874^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 130865829 + ... + 131083828.

Almost surely, 2^{28552512613000} is an apocalyptic number.

28552512613000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28552512613000 is an abundant number, since it is smaller than the sum of its proper divisors (38873329356200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28552512613000 is a wasteful number, since it uses less digits than its factorization.

28552512613000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261949787 (or 261949773 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 28552512613000 in words is "twenty-eight trillion, five hundred fifty-two billion, five hundred twelve million, six hundred thirteen thousand".