116551251 has 16 divisors (see below), whose sum is σ = 174201120. Its totient is φ = 77011200.

The previous prime is 116551249. The next prime is 116551271. The reversal of 116551251 is 152155611.

116551251 is a `hidden beast` number, since 1 + 1 + 655 + 1 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 116551251 - 2¹ = 116551249 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 (116551231) 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, 16050 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (10887570).

Almost surely, 2^116551251 is an apocalyptic number.

116551251 is a deficient number, since it is larger than the sum of its proper divisors (57649869).

116551251 is a wasteful number, since it uses less digits than its factorization.

116551251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38323 (or 38317 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The square root of 116551251 is about 10795.8904681365. The cubic root of 116551251 is about 488.4712188400.

The spelling of 116551251 in words is "one hundred sixteen million, five hundred fifty-one thousand, two hundred fifty-one".