1152181043731 has 2 divisors, whose sum is σ = 1152181043732. Its totient is φ = 1152181043730.

The previous prime is 1152181043711. The next prime is 1152181043743. The reversal of 1152181043731 is 1373401812511.

It is a strong prime.

It is an emirp because it is prime and its reverse (1373401812511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152181043731 - 2⁹ = 1152181043219 is a prime.

It is a super-2 number, since 2×1152181043731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1152181043711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576090521865 + 576090521866.

It is an arithmetic number, because the mean of its divisors is an integer number (576090521866).

Almost surely, 2^{1152181043731} is an apocalyptic number.

1152181043731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152181043731 is an equidigital number, since it uses as much as digits as its factorization.

1152181043731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 1152181043731 in words is "one trillion, one hundred fifty-two billion, one hundred eighty-one million, forty-three thousand, seven hundred thirty-one".