116661105142 has 4 divisors (see below), whose sum is σ = 174991657716. Its totient is φ = 58330552570.

The previous prime is 116661105139. The next prime is 116661105247. The reversal of 116661105142 is 241501166611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241501166611 = 46073 ⋅5241707.

It is a junction number, because it is equal to n+sod(n) for n = 116661105098 and 116661105107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29165276284 + ... + 29165276287.

It is an arithmetic number, because the mean of its divisors is an integer number (43747914429).

Almost surely, 2^116661105142 is an apocalyptic number.

116661105142 is a deficient number, since it is larger than the sum of its proper divisors (58330552574).

116661105142 is an equidigital number, since it uses as much as digits as its factorization.

116661105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58330552573.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 116661105142 in words is "one hundred sixteen billion, six hundred sixty-one million, one hundred five thousand, one hundred forty-two".