116135555440 has 80 divisors (see below), whose sum is σ = 278855294976. Its totient is φ = 44934739200.

The previous prime is 116135555429. The next prime is 116135555477. The reversal of 116135555440 is 44555531611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 116135555393 and 116135555402.

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, 5969569 + ... + 5988991.

Almost surely, 2^116135555440 is an apocalyptic number.

116135555440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116135555440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139427647488).

116135555440 is an abundant number, since it is smaller than the sum of its proper divisors (162719739536).

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

116135555440 is a wasteful number, since it uses less digits than its factorization.

116135555440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21878 (or 21872 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 116135555440 in words is "one hundred sixteen billion, one hundred thirty-five million, five hundred fifty-five thousand, four hundred forty".