105651011 has 2 divisors, whose sum is σ = 105651012. Its totient is φ = 105651010.

The previous prime is 105650999. The next prime is 105651037. The reversal of 105651011 is 110156501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105651011 - 2¹⁸ = 105388867 is a prime.

It is a super-2 number, since 2×105651011² = 22324272250644242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105651061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52825505 + 52825506.

It is an arithmetic number, because the mean of its divisors is an integer number (52825506).

Almost surely, 2^105651011 is an apocalyptic number.

105651011 is a deficient number, since it is larger than the sum of its proper divisors (1).

105651011 is an equidigital number, since it uses as much as digits as its factorization.

105651011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 105651011 is about 10278.6677638690. The cubic root of 105651011 is about 472.7423964601.

The spelling of 105651011 in words is "one hundred five million, six hundred fifty-one thousand, eleven".