11315845090481 has 4 divisors (see below), whose sum is σ = 11501350747764. Its totient is φ = 11130339433200.

The previous prime is 11315845090477. The next prime is 11315845090507. The reversal of 11315845090481 is 18409054851311.

11315845090481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3345273922081 + 7970571168400 = 1829009^2 + 2823220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11315845090481 - 2² = 11315845090477 is a prime.

It is a super-2 number, since 2×11315845090481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11315845090681) 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, 92752828550 + ... + 92752828671.

It is an arithmetic number, because the mean of its divisors is an integer number (2875337686941).

Almost surely, 2^{11315845090481} is an apocalyptic number.

It is an amenable number.

11315845090481 is a deficient number, since it is larger than the sum of its proper divisors (185505657283).

11315845090481 is an equidigital number, since it uses as much as digits as its factorization.

11315845090481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185505657282.

The product of its (nonzero) digits is 691200, while the sum is 50.

The spelling of 11315845090481 in words is "eleven trillion, three hundred fifteen billion, eight hundred forty-five million, ninety thousand, four hundred eighty-one".