116025561 has 16 divisors (see below), whose sum is σ = 182001600. Its totient is φ = 72800064.

The previous prime is 116025541. The next prime is 116025577. The reversal of 116025561 is 165520611.

It is a happy number.

116025561 is a `hidden beast` number, since 1 + 1 + 602 + 5 + 56 + 1 = 666.

It is not a de Polignac number, because 116025561 - 2¹¹ = 116023513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (116025541) 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, 125931 + ... + 126848.

It is an arithmetic number, because the mean of its divisors is an integer number (11375100).

Almost surely, 2^116025561 is an apocalyptic number.

It is an amenable number.

116025561 is a deficient number, since it is larger than the sum of its proper divisors (65976039).

116025561 is a wasteful number, since it uses less digits than its factorization.

116025561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252805 (or 252799 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 116025561 is about 10771.5161885410. The cubic root of 116025561 is about 487.7357155944.

The spelling of 116025561 in words is "one hundred sixteen million, twenty-five thousand, five hundred sixty-one".