2601605011 has 8 divisors (see below), whose sum is σ = 2684249280. Its totient is φ = 2520203712.

The previous prime is 2601605009. The next prime is 2601605023. The reversal of 2601605011 is 1105061062.

2601605011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2601605011 - 2¹ = 2601605009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601605311) 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, 306490 + ... + 314863.

It is an arithmetic number, because the mean of its divisors is an integer number (335531160).

Almost surely, 2^2601605011 is an apocalyptic number.

2601605011 is a deficient number, since it is larger than the sum of its proper divisors (82644269).

2601605011 is an equidigital number, since it uses as much as digits as its factorization.

2601605011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621485.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2601605011 is about 51005.9311355062. The cubic root of 2601605011 is about 1375.3517576738.

Adding to 2601605011 its reverse (1105061062), we get a palindrome (3706666073).

The spelling of 2601605011 in words is "two billion, six hundred one million, six hundred five thousand, eleven".