12575004656 has 20 divisors (see below), whose sum is σ = 24591776472. Its totient is φ = 6228739776.

The previous prime is 12575004649. The next prime is 12575004661. The reversal of 12575004656 is 65640057521.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670895 + ... + 3674318.

Almost surely, 2^12575004656 is an apocalyptic number.

12575004656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12575004656 is a deficient number, since it is larger than the sum of its proper divisors (12016771816).

12575004656 is a wasteful number, since it uses less digits than its factorization.

12575004656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345328 (or 7345322 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 12575004656 in words is "twelve billion, five hundred seventy-five million, four thousand, six hundred fifty-six".