11020405426 has 16 divisors (see below), whose sum is σ = 17259859584. Its totient is φ = 5267411424.

The previous prime is 11020405423. The next prime is 11020405463. The reversal of 11020405426 is 62450402011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020405426.

It is not an unprimeable number, because it can be changed into a prime (11020405423) 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, 3931 + ... + 148513.

It is an arithmetic number, because the mean of its divisors is an integer number (1078741224).

Almost surely, 2^11020405426 is an apocalyptic number.

11020405426 is a deficient number, since it is larger than the sum of its proper divisors (6239454158).

11020405426 is a wasteful number, since it uses less digits than its factorization.

11020405426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146265.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11020405426 its reverse (62450402011), we get a palindrome (73470807437).

The spelling of 11020405426 in words is "eleven billion, twenty million, four hundred five thousand, four hundred twenty-six".