116271551 has 16 divisors (see below), whose sum is σ = 136518048. Its totient is φ = 97843200.

The previous prime is 116271497. The next prime is 116271569. The reversal of 116271551 is 155172611.

It is a cyclic number.

It is not a de Polignac number, because 116271551 - 2⁶ = 116271487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116271251) 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, 6311 + ... + 16503.

It is an arithmetic number, because the mean of its divisors is an integer number (8532378).

Almost surely, 2^116271551 is an apocalyptic number.

116271551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116271551 is a deficient number, since it is larger than the sum of its proper divisors (20246497).

116271551 is a wasteful number, since it uses less digits than its factorization.

116271551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282.

The product of its digits is 2100, while the sum is 29.

The square root of 116271551 is about 10782.9286838039. The cubic root of 116271551 is about 488.0801610120.

The spelling of 116271551 in words is "one hundred sixteen million, two hundred seventy-one thousand, five hundred fifty-one".