11045731472621 has 8 divisors (see below), whose sum is σ = 11191280095800. Its totient is φ = 10900659278080.

The previous prime is 11045731472617. The next prime is 11045731472807. The reversal of 11045731472621 is 12627413754011.

11045731472621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36202672900 + 11009528799721 = 190270^2 + 3318061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11045731472621 - 2² = 11045731472617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045731472821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119060486 + ... + 119153223.

It is an arithmetic number, because the mean of its divisors is an integer number (1398910011975).

Almost surely, 2^{11045731472621} is an apocalyptic number.

It is an amenable number.

11045731472621 is a deficient number, since it is larger than the sum of its proper divisors (145548623179).

11045731472621 is an equidigital number, since it uses as much as digits as its factorization.

11045731472621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238214319.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 11045731472621 in words is "eleven trillion, forty-five billion, seven hundred thirty-one million, four hundred seventy-two thousand, six hundred twenty-one".