1151590758481 has 4 divisors (see below), whose sum is σ = 1151939622964. Its totient is φ = 1151241894000.

The previous prime is 1151590758469. The next prime is 1151590758491. The reversal of 1151590758481 is 1848570951511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 673522227856 + 478068530625 = 820684^2 + 691425^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151590758481 - 2¹⁵ = 1151590725713 is a prime.

It is a super-2 number, since 2×1151590758481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151590758491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 174427290 + ... + 174433891.

It is an arithmetic number, because the mean of its divisors is an integer number (287984905741).

Almost surely, 2^{1151590758481} is an apocalyptic number.

It is an amenable number.

1151590758481 is a deficient number, since it is larger than the sum of its proper divisors (348864483).

1151590758481 is an equidigital number, since it uses as much as digits as its factorization.

1151590758481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348864482.

The product of its (nonzero) digits is 2016000, while the sum is 55.

The spelling of 1151590758481 in words is "one trillion, one hundred fifty-one billion, five hundred ninety million, seven hundred fifty-eight thousand, four hundred eighty-one".