1081182201399 has 16 divisors (see below), whose sum is σ = 1607218149600. Its totient is φ = 718328101248.

The previous prime is 1081182201311. The next prime is 1081182201401. The reversal of 1081182201399 is 9931022811801.

1081182201399 is a `hidden beast` number, since 1 + 0 + 81 + 182 + 2 + 0 + 1 + 399 = 666.

It is not a de Polignac number, because 1081182201399 - 2¹⁶ = 1081182135863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081182201499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68326194 + ... + 68342015.

It is an arithmetic number, because the mean of its divisors is an integer number (100451134350).

Almost surely, 2^{1081182201399} is an apocalyptic number.

1081182201399 is a deficient number, since it is larger than the sum of its proper divisors (526035948201).

1081182201399 is a wasteful number, since it uses less digits than its factorization.

1081182201399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136668511 (or 136668505 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The spelling of 1081182201399 in words is "one trillion, eighty-one billion, one hundred eighty-two million, two hundred one thousand, three hundred ninety-nine".