105427427959 has 4 divisors (see below), whose sum is σ = 120488489104. Its totient is φ = 90366366816.

The previous prime is 105427427939. The next prime is 105427427971. The reversal of 105427427959 is 959724724501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105427427959 - 2¹³ = 105427419767 is a prime.

It is a super-2 number, since 2×105427427959² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105427427939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7530530562 + ... + 7530530575.

It is an arithmetic number, because the mean of its divisors is an integer number (30122122276).

Almost surely, 2^105427427959 is an apocalyptic number.

105427427959 is a deficient number, since it is larger than the sum of its proper divisors (15061061145).

105427427959 is an equidigital number, since it uses as much as digits as its factorization.

105427427959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15061061144.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 105427427959 in words is "one hundred five billion, four hundred twenty-seven million, four hundred twenty-seven thousand, nine hundred fifty-nine".