105949495087 has 2 divisors, whose sum is σ = 105949495088. Its totient is φ = 105949495086.

The previous prime is 105949495061. The next prime is 105949495139. The reversal of 105949495087 is 780594949501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105949495087 - 2¹⁵ = 105949462319 is a prime.

It is a super-2 number, since 2×105949495087² (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 (105949415087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52974747543 + 52974747544.

It is an arithmetic number, because the mean of its divisors is an integer number (52974747544).

Almost surely, 2^105949495087 is an apocalyptic number.

105949495087 is a deficient number, since it is larger than the sum of its proper divisors (1).

105949495087 is an equidigital number, since it uses as much as digits as its factorization.

105949495087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 105949495087 in words is "one hundred five billion, nine hundred forty-nine million, four hundred ninety-five thousand, eighty-seven".