11618606940 has 48 divisors (see below), whose sum is σ = 32540665248. Its totient is φ = 3097479424.

The previous prime is 11618606903. The next prime is 11618606971. The reversal of 11618606940 is 4960681611.

It is a junction number, because it is equal to n+sod(n) for n = 11618606892 and 11618606901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224554 + ... + 271406.

It is an arithmetic number, because the mean of its divisors is an integer number (677930526).

Almost surely, 2^11618606940 is an apocalyptic number.

11618606940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11618606940 is an abundant number, since it is smaller than the sum of its proper divisors (20922058308).

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

11618606940 is a wasteful number, since it uses less digits than its factorization.

11618606940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50998 (or 50996 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 11618606940 in words is "eleven billion, six hundred eighteen million, six hundred six thousand, nine hundred forty".