1158731238373 has 4 divisors (see below), whose sum is σ = 1158990873408. Its totient is φ = 1158471603340.

The previous prime is 1158731238341. The next prime is 1158731238383. The reversal of 1158731238373 is 3738321378511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1158731238373 - 2⁵ = 1158731238341 is a prime.

It is a super-2 number, since 2×1158731238373² (a number of 25 digits) contains 22 as substring.

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 1158731238373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158731238323) 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, 129810823 + ... + 129819748.

It is an arithmetic number, because the mean of its divisors is an integer number (289747718352).

Almost surely, 2^{1158731238373} is an apocalyptic number.

It is an amenable number.

1158731238373 is a deficient number, since it is larger than the sum of its proper divisors (259635035).

1158731238373 is an equidigital number, since it uses as much as digits as its factorization.

1158731238373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259635034.

The product of its digits is 2540160, while the sum is 52.

The spelling of 1158731238373 in words is "one trillion, one hundred fifty-eight billion, seven hundred thirty-one million, two hundred thirty-eight thousand, three hundred seventy-three".