13228785572025 has 96 divisors (see below), whose sum is σ = 22759385448960. Its totient is φ = 6771891732480.

The previous prime is 13228785571949. The next prime is 13228785572053. The reversal of 13228785572025 is 52027558782231.

It is not a de Polignac number, because 13228785572025 - 2⁹ = 13228785571513 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, 624194829 + ... + 624216021.

It is an arithmetic number, because the mean of its divisors is an integer number (237076931760).

Almost surely, 2^{13228785572025} is an apocalyptic number.

13228785572025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13228785572025 is a deficient number, since it is larger than the sum of its proper divisors (9530599876935).

13228785572025 is a wasteful number, since it uses less digits than its factorization.

13228785572025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915 (or 22910 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 57.

The spelling of 13228785572025 in words is "thirteen trillion, two hundred twenty-eight billion, seven hundred eighty-five million, five hundred seventy-two thousand, twenty-five".