11663662600040 has 64 divisors (see below), whose sum is σ = 28679841408960. Its totient is φ = 4233798315520.

The previous prime is 11663662599997. The next prime is 11663662600061. The reversal of 11663662600040 is 4000626636611.

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, 23294309 + ... + 23789748.

It is an arithmetic number, because the mean of its divisors is an integer number (448122522015).

Almost surely, 2^{11663662600040} is an apocalyptic number.

11663662600040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11663662600040 is an abundant number, since it is smaller than the sum of its proper divisors (17016178808920).

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

11663662600040 is a wasteful number, since it uses less digits than its factorization.

11663662600040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47084642 (or 47084638 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 11663662600040 in words is "eleven trillion, six hundred sixty-three billion, six hundred sixty-two million, six hundred thousand, forty".