1199134055436 has 24 divisors (see below), whose sum is σ = 2809987964784. Its totient is φ = 397995851520.

The previous prime is 1199134055419. The next prime is 1199134055447. The reversal of 1199134055436 is 6345504319911.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214434625 + ... + 214440216.

It is an arithmetic number, because the mean of its divisors is an integer number (117082831866).

Almost surely, 2^{1199134055436} is an apocalyptic number.

It is an amenable number.

1199134055436 is an abundant number, since it is smaller than the sum of its proper divisors (1610853909348).

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

1199134055436 is a wasteful number, since it uses less digits than its factorization.

1199134055436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428875081 (or 428875079 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 1199134055436 in words is "one trillion, one hundred ninety-nine billion, one hundred thirty-four million, fifty-five thousand, four hundred thirty-six".