11077445721 has 16 divisors (see below), whose sum is σ = 15549597440. Its totient is φ = 6995244240.

The previous prime is 11077445713. The next prime is 11077445741. The reversal of 11077445721 is 12754477011.

It is not a de Polignac number, because 11077445721 - 2³ = 11077445713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11077445721.

It is not an unprimeable number, because it can be changed into a prime (11077445741) 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 15 ways as a sum of consecutive naturals, for example, 604926 + ... + 622968.

It is an arithmetic number, because the mean of its divisors is an integer number (971849840).

Almost surely, 2^11077445721 is an apocalyptic number.

It is an amenable number.

11077445721 is a deficient number, since it is larger than the sum of its proper divisors (4472151719).

11077445721 is a wasteful number, since it uses less digits than its factorization.

11077445721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28836.

The product of its (nonzero) digits is 54880, while the sum is 39.

The spelling of 11077445721 in words is "eleven billion, seventy-seven million, four hundred forty-five thousand, seven hundred twenty-one".