116235128155 has 4 divisors (see below), whose sum is σ = 139482153792. Its totient is φ = 92988102520.

The previous prime is 116235128123. The next prime is 116235128167. The reversal of 116235128155 is 551821532611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551821532611 = 41 ⋅13459061771.

It is not a de Polignac number, because 116235128155 - 2⁵ = 116235128123 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11623512811 + ... + 11623512820.

It is an arithmetic number, because the mean of its divisors is an integer number (34870538448).

Almost surely, 2^116235128155 is an apocalyptic number.

116235128155 is a deficient number, since it is larger than the sum of its proper divisors (23247025637).

116235128155 is an equidigital number, since it uses as much as digits as its factorization.

116235128155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23247025636.

The product of its digits is 72000, while the sum is 40.

The spelling of 116235128155 in words is "one hundred sixteen billion, two hundred thirty-five million, one hundred twenty-eight thousand, one hundred fifty-five".