105990511 has 8 divisors (see below), whose sum is σ = 116772048. Its totient is φ = 95400000.

The previous prime is 105990487. The next prime is 105990527. The reversal of 105990511 is 115099501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105990511 - 2⁷ = 105990383 is a prime.

It is a super-2 number, since 2×105990511² = 22467976844082242, 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 (105990541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46590 + ... + 48811.

It is an arithmetic number, because the mean of its divisors is an integer number (14596506).

Almost surely, 2^105990511 is an apocalyptic number.

105990511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105990511 is a deficient number, since it is larger than the sum of its proper divisors (10781537).

105990511 is a wasteful number, since it uses less digits than its factorization.

105990511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95513.

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 105990511 is about 10295.1693040960. The cubic root of 105990511 is about 473.2482267250.

The spelling of 105990511 in words is "one hundred five million, nine hundred ninety thousand, five hundred eleven".