105111515039 has 2 divisors, whose sum is σ = 105111515040. Its totient is φ = 105111515038.

The previous prime is 105111515027. The next prime is 105111515101. The reversal of 105111515039 is 930515111501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105111515039 - 2¹² = 105111510943 is a prime.

It is a super-2 number, since 2×105111515039² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 105111514996 and 105111515014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105111515939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555757519 + 52555757520.

It is an arithmetic number, because the mean of its divisors is an integer number (52555757520).

Almost surely, 2^105111515039 is an apocalyptic number.

105111515039 is a deficient number, since it is larger than the sum of its proper divisors (1).

105111515039 is an equidigital number, since it uses as much as digits as its factorization.

105111515039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 32.

The spelling of 105111515039 in words is "one hundred five billion, one hundred eleven million, five hundred fifteen thousand, thirty-nine".