11045154501021 has 4 divisors (see below), whose sum is σ = 14726872668032. Its totient is φ = 7363436334012.

The previous prime is 11045154501019. The next prime is 11045154501041. The reversal of 11045154501021 is 12010545154011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11045154501021 - 2¹ = 11045154501019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11045154501021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045154501011) 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, 1840859083501 + ... + 1840859083506.

It is an arithmetic number, because the mean of its divisors is an integer number (3681718167008).

Almost surely, 2^{11045154501021} is an apocalyptic number.

It is an amenable number.

11045154501021 is a deficient number, since it is larger than the sum of its proper divisors (3681718167011).

11045154501021 is an equidigital number, since it uses as much as digits as its factorization.

11045154501021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681718167010.

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 11045154501021 its reverse (12010545154011), we get a palindrome (23055699655032).

The spelling of 11045154501021 in words is "eleven trillion, forty-five billion, one hundred fifty-four million, five hundred one thousand, twenty-one".