1195260278436 has 72 divisors (see below), whose sum is σ = 3456205014080. Its totient is φ = 341183399616.

The previous prime is 1195260278249. The next prime is 1195260278449. The reversal of 1195260278436 is 6348720625911.

It is a happy number.

1195260278436 is a `hidden beast` number, since 1 + 1 + 9 + 526 + 0 + 2 + 7 + 84 + 36 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1949086 + ... + 2487861.

It is a 1-persistent number, because it is pandigital, but 2⋅1195260278436 = 2390520556872 is not.

Almost surely, 2^{1195260278436} is an apocalyptic number.

It is an amenable number.

1195260278436 is an abundant number, since it is smaller than the sum of its proper divisors (2260944735644).

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

1195260278436 is a wasteful number, since it uses less digits than its factorization.

1195260278436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438033 (or 4438028 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 1195260278436 in words is "one trillion, one hundred ninety-five billion, two hundred sixty million, two hundred seventy-eight thousand, four hundred thirty-six".