118016551 has 2 divisors, whose sum is σ = 118016552. Its totient is φ = 118016550.

The previous prime is 118016537. The next prime is 118016627. The reversal of 118016551 is 155610811.

It is a weak prime.

It is an emirp because it is prime and its reverse (155610811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118016551 - 2¹⁵ = 117983783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118016501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59008275 + 59008276.

It is an arithmetic number, because the mean of its divisors is an integer number (59008276).

Almost surely, 2^118016551 is an apocalyptic number.

118016551 is a deficient number, since it is larger than the sum of its proper divisors (1).

118016551 is an equidigital number, since it uses as much as digits as its factorization.

118016551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 28.

The square root of 118016551 is about 10863.5422860133. The cubic root of 118016551 is about 490.5097444172.

The spelling of 118016551 in words is "one hundred eighteen million, sixteen thousand, five hundred fifty-one".