1011044440425 has 12 divisors (see below), whose sum is σ = 1671593474960. Its totient is φ = 539223701520.

The previous prime is 1011044440421. The next prime is 1011044440447. The reversal of 1011044440425 is 5240444401101.

It is not a de Polignac number, because 1011044440425 - 2² = 1011044440421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011044440392 and 1011044440401.

It is not an unprimeable number, because it can be changed into a prime (1011044440421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6740296195 + ... + 6740296344.

Almost surely, 2^{1011044440425} is an apocalyptic number.

1011044440425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011044440425 is a deficient number, since it is larger than the sum of its proper divisors (660549034535).

1011044440425 is a wasteful number, since it uses less digits than its factorization.

1011044440425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480592552 (or 13480592547 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1011044440425 its reverse (5240444401101), we get a palindrome (6251488841526).

The spelling of 1011044440425 in words is "one trillion, eleven billion, forty-four million, four hundred forty thousand, four hundred twenty-five".