11012261232040 has 64 divisors (see below), whose sum is σ = 25195783536000. Its totient is φ = 4331175563520.

The previous prime is 11012261232029. The next prime is 11012261232061. The reversal of 11012261232040 is 4023216221011.

It is a super-2 number, since 2×11012261232040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012261231996 and 11012261232014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9069100 + ... + 10211419.

It is an arithmetic number, because the mean of its divisors is an integer number (393684117750).

Almost surely, 2^{11012261232040} is an apocalyptic number.

11012261232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012261232040 is an abundant number, since it is smaller than the sum of its proper divisors (14183522303960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11012261232040 is a wasteful number, since it uses less digits than its factorization.

11012261232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280770 (or 19280766 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11012261232040 its reverse (4023216221011), we get a palindrome (15035477453051).

The spelling of 11012261232040 in words is "eleven trillion, twelve billion, two hundred sixty-one million, two hundred thirty-two thousand, forty".