105531616087 has 2 divisors, whose sum is σ = 105531616088. Its totient is φ = 105531616086.

The previous prime is 105531616067. The next prime is 105531616093. The reversal of 105531616087 is 780616135501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105531616087 - 2¹⁵ = 105531583319 is a prime.

It is a super-2 number, since 2×105531616087² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105531616027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52765808043 + 52765808044.

It is an arithmetic number, because the mean of its divisors is an integer number (52765808044).

Almost surely, 2^105531616087 is an apocalyptic number.

105531616087 is a deficient number, since it is larger than the sum of its proper divisors (1).

105531616087 is an equidigital number, since it uses as much as digits as its factorization.

105531616087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 105531616087 in words is "one hundred five billion, five hundred thirty-one million, six hundred sixteen thousand, eighty-seven".