105051610987 has 2 divisors, whose sum is σ = 105051610988. Its totient is φ = 105051610986.

The previous prime is 105051610967. The next prime is 105051611069. The reversal of 105051610987 is 789016150501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105051610987 is a prime.

It is a super-2 number, since 2×105051610987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105051610957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525805493 + 52525805494.

It is an arithmetic number, because the mean of its divisors is an integer number (52525805494).

Almost surely, 2^105051610987 is an apocalyptic number.

105051610987 is a deficient number, since it is larger than the sum of its proper divisors (1).

105051610987 is an equidigital number, since it uses as much as digits as its factorization.

105051610987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 43.

The spelling of 105051610987 in words is "one hundred five billion, fifty-one million, six hundred ten thousand, nine hundred eighty-seven".