2601021051 has 10 divisors (see below), whose sum is σ = 3885476012. Its totient is φ = 1734013980.

The previous prime is 2601021047. The next prime is 2601021053. The reversal of 2601021051 is 1501201062.

2601021051 is a `hidden beast` number, since 2 + 601 + 0 + 2 + 10 + 51 = 666.

It is not a de Polignac number, because 2601021051 - 2² = 2601021047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16055605 + ... + 16055766.

Almost surely, 2^2601021051 is an apocalyptic number.

2601021051 is a deficient number, since it is larger than the sum of its proper divisors (1284454961).

2601021051 is an equidigital number, since it uses as much as digits as its factorization.

2601021051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32111383 (or 32111374 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2601021051 is about 51000.2063819354. The cubic root of 2601021051 is about 1375.2488454960.

The spelling of 2601021051 in words is "two billion, six hundred one million, twenty-one thousand, fifty-one".