11458442761 has 4 divisors (see below), whose sum is σ = 11459262724. Its totient is φ = 11457622800.

The previous prime is 11458442753. The next prime is 11458442783. The reversal of 11458442761 is 16724485411.

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 8362188025 + 3096254736 = 91445^2 + 55644^2 .

It is a cyclic number.

It is not a de Polignac number, because 11458442761 - 2³ = 11458442753 is a prime.

It is a super-2 number, since 2×11458442761² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11458442701) 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, 388650 + ... + 417091.

It is an arithmetic number, because the mean of its divisors is an integer number (2864815681).

Almost surely, 2^11458442761 is an apocalyptic number.

It is an amenable number.

11458442761 is a deficient number, since it is larger than the sum of its proper divisors (819963).

11458442761 is an equidigital number, since it uses as much as digits as its factorization.

11458442761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819962.

The product of its digits is 215040, while the sum is 43.

The spelling of 11458442761 in words is "eleven billion, four hundred fifty-eight million, four hundred forty-two thousand, seven hundred sixty-one".