11116691671650 has 96 divisors (see below), whose sum is σ = 29956558848000. Its totient is φ = 2717832916800.

The previous prime is 11116691671649. The next prime is 11116691671763. The reversal of 11116691671650 is 5617619661111.

It is a junction number, because it is equal to n+sod(n) for n = 11116691671593 and 11116691671602.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62824450 + ... + 63001149.

It is an arithmetic number, because the mean of its divisors is an integer number (312047488000).

Almost surely, 2^{11116691671650} is an apocalyptic number.

11116691671650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11116691671650 is an abundant number, since it is smaller than the sum of its proper divisors (18839867176350).

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

11116691671650 is a wasteful number, since it uses less digits than its factorization.

11116691671650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125825664 (or 125825659 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 51.

The spelling of 11116691671650 in words is "eleven trillion, one hundred sixteen billion, six hundred ninety-one million, six hundred seventy-one thousand, six hundred fifty".