11261424666540 has 48 divisors (see below), whose sum is σ = 31532427343872. Its totient is φ = 3003004837056.

The previous prime is 11261424666523. The next prime is 11261424666551. The reversal of 11261424666540 is 4566642416211.

It is a self number, because there is not a number n which added to its sum of digits gives 11261424666540.

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, 3175447 + ... + 5710193.

It is an arithmetic number, because the mean of its divisors is an integer number (656925569664).

Almost surely, 2^{11261424666540} is an apocalyptic number.

11261424666540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11261424666540 is an abundant number, since it is smaller than the sum of its proper divisors (20271002677332).

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

11261424666540 is a wasteful number, since it uses less digits than its factorization.

11261424666540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608806 (or 2608804 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 11261424666540 in words is "eleven trillion, two hundred sixty-one billion, four hundred twenty-four million, six hundred sixty-six thousand, five hundred forty".