11020405425 has 24 divisors (see below), whose sum is σ = 18400816320. Its totient is φ = 5819352000.

The previous prime is 11020405423. The next prime is 11020405463. The reversal of 11020405425 is 52450402011.

It is not a de Polignac number, because 11020405425 - 2¹ = 11020405423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020405395 and 11020405404.

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 23 ways as a sum of consecutive naturals, for example, 719845 + ... + 734994.

It is an arithmetic number, because the mean of its divisors is an integer number (766700680).

Almost surely, 2^11020405425 is an apocalyptic number.

11020405425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11020405425 is a deficient number, since it is larger than the sum of its proper divisors (7380410895).

11020405425 is a wasteful number, since it uses less digits than its factorization.

11020405425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454953 (or 1454948 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 11020405425 its reverse (52450402011), we get a palindrome (63470807436).

The spelling of 11020405425 in words is "eleven billion, twenty million, four hundred five thousand, four hundred twenty-five".