1156363007999 has 4 divisors (see below), whose sum is σ = 1156446315336. Its totient is φ = 1156279700664.

The previous prime is 1156363007981. The next prime is 1156363008037. The reversal of 1156363007999 is 9997003636511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1156363007999 - 2¹² = 1156363003903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156363001999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41632844 + ... + 41660609.

It is an arithmetic number, because the mean of its divisors is an integer number (289111578834).

Almost surely, 2^{1156363007999} is an apocalyptic number.

1156363007999 is a deficient number, since it is larger than the sum of its proper divisors (83307337).

1156363007999 is an equidigital number, since it uses as much as digits as its factorization.

1156363007999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83307336.

The product of its (nonzero) digits is 8266860, while the sum is 59.

The spelling of 1156363007999 in words is "one trillion, one hundred fifty-six billion, three hundred sixty-three million, seven thousand, nine hundred ninety-nine".