1146120191999 has 32 divisors (see below), whose sum is σ = 1212960744000. Its totient is φ = 1081282535424.

The previous prime is 1146120191959. The next prime is 1146120192001. The reversal of 1146120191999 is 9991910216411.

It is a cyclic number.

It is not a de Polignac number, because 1146120191999 - 2¹² = 1146120187903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146120191999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146120191959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451404872 + ... + 451407410.

It is an arithmetic number, because the mean of its divisors is an integer number (37905023250).

Almost surely, 2^{1146120191999} is an apocalyptic number.

1146120191999 is a deficient number, since it is larger than the sum of its proper divisors (66840552001).

1146120191999 is a wasteful number, since it uses less digits than its factorization.

1146120191999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707.

The product of its (nonzero) digits is 314928, while the sum is 53.

The spelling of 1146120191999 in words is "one trillion, one hundred forty-six billion, one hundred twenty million, one hundred ninety-one thousand, nine hundred ninety-nine".