12856553595 has 48 divisors (see below), whose sum is σ = 22402504800. Its totient is φ = 6820692480.

The previous prime is 12856553573. The next prime is 12856553621. The reversal of 12856553595 is 59535565821.

It is a happy number.

12856553595 is a `hidden beast` number, since 1 + 2 + 85 + 6 + 553 + 5 + 9 + 5 = 666.

It is not a de Polignac number, because 12856553595 - 2¹⁶ = 12856488059 is a prime.

It is a super-2 number, since 2×12856553595² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8680255 + ... + 8681735.

It is an arithmetic number, because the mean of its divisors is an integer number (466718850).

Almost surely, 2^12856553595 is an apocalyptic number.

12856553595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12856553595 is a deficient number, since it is larger than the sum of its proper divisors (9545951205).

12856553595 is a wasteful number, since it uses less digits than its factorization.

12856553595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2377 counting only the distinct ones).

The product of its digits is 8100000, while the sum is 54.

The spelling of 12856553595 in words is "twelve billion, eight hundred fifty-six million, five hundred fifty-three thousand, five hundred ninety-five".