1158472545121 has 4 divisors (see below), whose sum is σ = 1208840916672. Its totient is φ = 1108104173572.

The previous prime is 1158472545079. The next prime is 1158472545143. The reversal of 1158472545121 is 1215452748511.

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 1158472545121 - 2⁷ = 1158472544993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158472545421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25184185741 + ... + 25184185786.

It is an arithmetic number, because the mean of its divisors is an integer number (302210229168).

Almost surely, 2^{1158472545121} is an apocalyptic number.

It is an amenable number.

1158472545121 is a deficient number, since it is larger than the sum of its proper divisors (50368371551).

1158472545121 is an equidigital number, since it uses as much as digits as its factorization.

1158472545121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50368371550.

The product of its digits is 448000, while the sum is 46.

The spelling of 1158472545121 in words is "one trillion, one hundred fifty-eight billion, four hundred seventy-two million, five hundred forty-five thousand, one hundred twenty-one".