1123599999999 has 32 divisors (see below), whose sum is σ = 1655841844224. Its totient is φ = 674100922880.

The previous prime is 1123599999961. The next prime is 1123600000007. The reversal of 1123599999999 is 9999999953211.

It is a Cunningham number, because it is equal to 1060000²-1.

It is a cyclic number.

It is not a de Polignac number, because 1123599999999 - 2¹³ = 1123599991807 is a prime.

1123599999999 is a modest number, since divided by 9999999 gives 112359 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123599999799) 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, 3003337 + ... + 3356669.

It is an arithmetic number, because the mean of its divisors is an integer number (51745057632).

Almost surely, 2^{1123599999999} is an apocalyptic number.

1123599999999 is a deficient number, since it is larger than the sum of its proper divisors (532241844225).

1123599999999 is a wasteful number, since it uses less digits than its factorization.

1123599999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356087.

The product of its digits is 1291401630, while the sum is 84.

The spelling of 1123599999999 in words is "one trillion, one hundred twenty-three billion, five hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".