11021487741 has 24 divisors (see below), whose sum is σ = 17539161120. Its totient is φ = 6613548000.

The previous prime is 11021487731. The next prime is 11021487769. The reversal of 11021487741 is 14778412011.

11021487741 is a `hidden beast` number, since 1 + 102 + 1 + 487 + 74 + 1 = 666.

It is not a de Polignac number, because 11021487741 - 2⁶ = 11021487677 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11021487696 and 11021487705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021487731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541131 + ... + 561128.

It is an arithmetic number, because the mean of its divisors is an integer number (730798380).

Almost surely, 2^11021487741 is an apocalyptic number.

11021487741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11021487741 is a deficient number, since it is larger than the sum of its proper divisors (6517673379).

11021487741 is a wasteful number, since it uses less digits than its factorization.

11021487741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102377 (or 1102374 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

Adding to 11021487741 its reverse (14778412011), we get a palindrome (25799899752).

The spelling of 11021487741 in words is "eleven billion, twenty-one million, four hundred eighty-seven thousand, seven hundred forty-one".