106511543 has 4 divisors (see below), whose sum is σ = 106541448. Its totient is φ = 106481640.

The previous prime is 106511533. The next prime is 106511593. The reversal of 106511543 is 345115601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345115601 = 19 ⋅18163979.

It is a cyclic number.

It is not a de Polignac number, because 106511543 - 2⁶ = 106511479 is a prime.

It is a super-2 number, since 2×106511543² = 22689417584481698, which 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 (106511533) 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, 8753 + ... + 17018.

It is an arithmetic number, because the mean of its divisors is an integer number (26635362).

Almost surely, 2^106511543 is an apocalyptic number.

106511543 is a deficient number, since it is larger than the sum of its proper divisors (29905).

106511543 is an equidigital number, since it uses as much as digits as its factorization.

106511543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29904.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 106511543 is about 10320.4429652995. The cubic root of 106511543 is about 474.0224297575.

The spelling of 106511543 in words is "one hundred six million, five hundred eleven thousand, five hundred forty-three".