11450313021 has 16 divisors (see below), whose sum is σ = 17495650304. Its totient is φ = 6525203184.

The previous prime is 11450313013. The next prime is 11450313023. The reversal of 11450313021 is 12031305411.

It is not a de Polignac number, because 11450313021 - 2³ = 11450313013 is a prime.

It is a super-3 number, since 3×11450313021³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450313023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735145 + ... + 750558.

It is an arithmetic number, because the mean of its divisors is an integer number (1093478144).

Almost surely, 2^11450313021 is an apocalyptic number.

It is an amenable number.

11450313021 is a deficient number, since it is larger than the sum of its proper divisors (6045337283).

11450313021 is a wasteful number, since it uses less digits than its factorization.

11450313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486080.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11450313021 its reverse (12031305411), we get a palindrome (23481618432).

The spelling of 11450313021 in words is "eleven billion, four hundred fifty million, three hundred thirteen thousand, twenty-one".