116551280 has 20 divisors (see below), whose sum is σ = 270981912. Its totient is φ = 46620480.

The previous prime is 116551271. The next prime is 116551291. The reversal of 116551280 is 82155611.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent 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, 728366 + ... + 728525.

Almost surely, 2^116551280 is an apocalyptic number.

116551280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116551280 is an abundant number, since it is smaller than the sum of its proper divisors (154430632).

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

116551280 is a wasteful number, since it uses less digits than its factorization.

116551280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456904 (or 1456898 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 116551280 is about 10795.8918112401. The cubic root of 116551280 is about 488.4712593534.

The spelling of 116551280 in words is "one hundred sixteen million, five hundred fifty-one thousand, two hundred eighty".