361605011 has 16 divisors (see below), whose sum is σ = 406099008. Its totient is φ = 320179200.

The previous prime is 361605001. The next prime is 361605029. The reversal of 361605011 is 110506163.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 361605011 - 2¹⁴ = 361588627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361605001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16271 + ... + 31431.

It is an arithmetic number, because the mean of its divisors is an integer number (25381188).

Almost surely, 2^361605011 is an apocalyptic number.

361605011 is a deficient number, since it is larger than the sum of its proper divisors (44493997).

361605011 is a wasteful number, since it uses less digits than its factorization.

361605011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 361605011 is about 19015.9146769226. The cubic root of 361605011 is about 712.4342886357.

The spelling of 361605011 in words is "three hundred sixty-one million, six hundred five thousand, eleven".