11012001425 has 6 divisors (see below), whose sum is σ = 13654881798. Its totient is φ = 8809601120.

The previous prime is 11012001421. The next prime is 11012001431. The reversal of 11012001425 is 52410021011.

It can be written as a sum of positive squares in 3 ways, for example, as 1216544641 + 9795456784 = 34879^2 + 98972^2 .

It is not a de Polignac number, because 11012001425 - 2² = 11012001421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11012001421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220240004 + ... + 220240053.

It is an arithmetic number, because the mean of its divisors is an integer number (2275813633).

Almost surely, 2^11012001425 is an apocalyptic number.

It is an amenable number.

11012001425 is a deficient number, since it is larger than the sum of its proper divisors (2642880373).

11012001425 is an equidigital number, since it uses as much as digits as its factorization.

11012001425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440480067 (or 440480062 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11012001425 its reverse (52410021011), we get a palindrome (63422022436).

The spelling of 11012001425 in words is "eleven billion, twelve million, one thousand, four hundred twenty-five".