116421755 has 16 divisors (see below), whose sum is σ = 144099648. Its totient is φ = 90240000.

The previous prime is 116421751. The next prime is 116421793. The reversal of 116421755 is 557124611.

It is not a de Polignac number, because 116421755 - 2² = 116421751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116421751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29075 + ... + 32835.

It is an arithmetic number, because the mean of its divisors is an integer number (9006228).

Almost surely, 2^116421755 is an apocalyptic number.

116421755 is a deficient number, since it is larger than the sum of its proper divisors (27677893).

116421755 is a wasteful number, since it uses less digits than its factorization.

116421755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958.

The product of its digits is 8400, while the sum is 32.

The square root of 116421755 is about 10789.8913340219. The cubic root of 116421755 is about 488.2902440622.

The spelling of 116421755 in words is "one hundred sixteen million, four hundred twenty-one thousand, seven hundred fifty-five".