105511501 has 2 divisors, whose sum is σ = 105511502. Its totient is φ = 105511500.

The previous prime is 105511451. The next prime is 105511543. The reversal of 105511501 is 105115501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102535876 + 2975625 = 10126^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 105511501 - 2⁹ = 105510989 is a prime.

It is a super-2 number, since 2×105511501² = 22265353686546002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105521501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755750 + 52755751.

It is an arithmetic number, because the mean of its divisors is an integer number (52755751).

Almost surely, 2^105511501 is an apocalyptic number.

It is an amenable number.

105511501 is a deficient number, since it is larger than the sum of its proper divisors (1).

105511501 is an equidigital number, since it uses as much as digits as its factorization.

105511501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 105511501 is about 10271.8791367500. The cubic root of 105511501 is about 472.5342225803.

The spelling of 105511501 in words is "one hundred five million, five hundred eleven thousand, five hundred one".