11030021541 has 48 divisors (see below), whose sum is σ = 19881883008. Its totient is φ = 5724604800.

The previous prime is 11030021537. The next prime is 11030021551. The reversal of 11030021541 is 14512003011.

11030021541 is a `hidden beast` number, since 1 + 103 + 0 + 0 + 21 + 541 = 666.

It is not a de Polignac number, because 11030021541 - 2² = 11030021537 is a prime.

It is a super-2 number, since 2×11030021541² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030021551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 811695 + ... + 825171.

It is an arithmetic number, because the mean of its divisors is an integer number (414205896).

Almost surely, 2^11030021541 is an apocalyptic number.

11030021541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11030021541 is a deficient number, since it is larger than the sum of its proper divisors (8851861467).

11030021541 is a wasteful number, since it uses less digits than its factorization.

11030021541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14682 (or 14679 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11030021541 its reverse (14512003011), we get a palindrome (25542024552).

It can be divided in two parts, 110300 and 21541, that added together give a triangular number (131841 = T₅₁₃).

The spelling of 11030021541 in words is "eleven billion, thirty million, twenty-one thousand, five hundred forty-one".