1145973939079 has 4 divisors (see below), whose sum is σ = 1195798892976. Its totient is φ = 1096148985184.

The previous prime is 1145973939059. The next prime is 1145973939101. The reversal of 1145973939079 is 9709393795411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145973939079 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145973939049) 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, 24912476914 + ... + 24912476959.

It is an arithmetic number, because the mean of its divisors is an integer number (298949723244).

Almost surely, 2^{1145973939079} is an apocalyptic number.

1145973939079 is a deficient number, since it is larger than the sum of its proper divisors (49824953897).

1145973939079 is an equidigital number, since it uses as much as digits as its factorization.

1145973939079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49824953896.

The product of its (nonzero) digits is 57868020, while the sum is 67.

The spelling of 1145973939079 in words is "one trillion, one hundred forty-five billion, nine hundred seventy-three million, nine hundred thirty-nine thousand, seventy-nine".