116081551 has 2 divisors, whose sum is σ = 116081552. Its totient is φ = 116081550.

The previous prime is 116081527. The next prime is 116081557. The reversal of 116081551 is 155180611.

It is a strong prime.

It is an emirp because it is prime and its reverse (155180611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116081551 - 2⁹ = 116081039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116081557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58040775 + 58040776.

It is an arithmetic number, because the mean of its divisors is an integer number (58040776).

Almost surely, 2^116081551 is an apocalyptic number.

116081551 is a deficient number, since it is larger than the sum of its proper divisors (1).

116081551 is an equidigital number, since it uses as much as digits as its factorization.

116081551 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 116081551 is about 10774.1148592355. The cubic root of 116081551 is about 487.8141578818.

The spelling of 116081551 in words is "one hundred sixteen million, eighty-one thousand, five hundred fifty-one".