1199134055418 has 16 divisors (see below), whose sum is σ = 2582750273376. Its totient is φ = 368964324720.

The previous prime is 1199134055407. The next prime is 1199134055419. The reversal of 1199134055418 is 8145504319911.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1199134055419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7686756688 + ... + 7686756843.

It is an arithmetic number, because the mean of its divisors is an integer number (161421892086).

Almost surely, 2^{1199134055418} is an apocalyptic number.

1199134055418 is an abundant number, since it is smaller than the sum of its proper divisors (1383616217958).

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

1199134055418 is a wasteful number, since it uses less digits than its factorization.

1199134055418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15373513549.

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 1199134055418 in words is "one trillion, one hundred ninety-nine billion, one hundred thirty-four million, fifty-five thousand, four hundred eighteen".