1151120723457 has 16 divisors (see below), whose sum is σ = 1570772589120. Its totient is φ = 749649111552.

The previous prime is 1151120723447. The next prime is 1151120723581. The reversal of 1151120723457 is 7543270211511.

It is not a de Polignac number, because 1151120723457 - 2³⁴ = 1133940854273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151120723447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25949608 + ... + 25993929.

It is an arithmetic number, because the mean of its divisors is an integer number (98173286820).

Almost surely, 2^{1151120723457} is an apocalyptic number.

It is an amenable number.

1151120723457 is a deficient number, since it is larger than the sum of its proper divisors (419651865663).

1151120723457 is an equidigital number, since it uses as much as digits as its factorization.

1151120723457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51943712.

The product of its (nonzero) digits is 58800, while the sum is 39.

Adding to 1151120723457 its reverse (7543270211511), we get a palindrome (8694390934968).

The spelling of 1151120723457 in words is "one trillion, one hundred fifty-one billion, one hundred twenty million, seven hundred twenty-three thousand, four hundred fifty-seven".