111606010666650 has 72 divisors (see below), whose sum is σ = 303217229088540. Its totient is φ = 29427202801920.

The previous prime is 111606010666637. The next prime is 111606010666721. The reversal of 111606010666650 is 56666010606111.

It can be written as a sum of positive squares in 6 ways, for example, as 47301120411561 + 64304890255089 = 6877581^2 + 8019033^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 111606010666596 and 111606010666605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1393293417 + ... + 1393373516.

Almost surely, 2^{111606010666650} is an apocalyptic number.

111606010666650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111606010666650 is an abundant number, since it is smaller than the sum of its proper divisors (191611218421890).

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

111606010666650 is a wasteful number, since it uses less digits than its factorization.

111606010666650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786667040 (or 2786667032 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 111606010666650 in words is "one hundred eleven trillion, six hundred six billion, ten million, six hundred sixty-six thousand, six hundred fifty".