1151120724125 has 8 divisors (see below), whose sum is σ = 1436598663864. Its totient is φ = 920896579200.

The previous prime is 1151120724109. The next prime is 1151120724133. The reversal of 1151120724125 is 5214270211511.

It can be written as a sum of positive squares in 4 ways, for example, as 29974343161 + 1121146380964 = 173131^2 + 1058842^2 .

It is not a de Polignac number, because 1151120724125 - 2⁴ = 1151120724109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151120724091 and 1151120724100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4604482772 + ... + 4604483021.

It is an arithmetic number, because the mean of its divisors is an integer number (179574832983).

Almost surely, 2^{1151120724125} is an apocalyptic number.

It is an amenable number.

1151120724125 is a deficient number, since it is larger than the sum of its proper divisors (285477939739).

1151120724125 is an frugal number, since it uses more digits than its factorization.

1151120724125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9208965808 (or 9208965798 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 32.

Adding to 1151120724125 its reverse (5214270211511), we get a palindrome (6365390935636).

The spelling of 1151120724125 in words is "one trillion, one hundred fifty-one billion, one hundred twenty million, seven hundred twenty-four thousand, one hundred twenty-five".