12553194195 has 12 divisors (see below), whose sum is σ = 21758870016. Its totient is φ = 6695036880.

The previous prime is 12553194167. The next prime is 12553194197. The reversal of 12553194195 is 59149135521.

12553194195 is a `hidden beast` number, since 1 + 2 + 553 + 1 + 9 + 4 + 1 + 95 = 666.

It is not a de Polignac number, because 12553194195 - 2⁶ = 12553194131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 278959871 = 12553194195 / (1 + 2 + 5 + 5 + 3 + 1 + 9 + 4 + 1 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 12553194195.

It is not an unprimeable number, because it can be changed into a prime (12553194197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139479891 + ... + 139479980.

It is an arithmetic number, because the mean of its divisors is an integer number (1813239168).

Almost surely, 2^12553194195 is an apocalyptic number.

12553194195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12553194195 is a deficient number, since it is larger than the sum of its proper divisors (9205675821).

12553194195 is a wasteful number, since it uses less digits than its factorization.

12553194195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278959882 (or 278959879 counting only the distinct ones).

The product of its digits is 243000, while the sum is 45.

The spelling of 12553194195 in words is "twelve billion, five hundred fifty-three million, one hundred ninety-four thousand, one hundred ninety-five".