3507801561 has 12 divisors (see below), whose sum is σ = 5527445040. Its totient is φ = 2125940280.

The previous prime is 3507801551. The next prime is 3507801581. The reversal of 3507801561 is 1651087053.

3507801561 is a `hidden beast` number, since 3 + 507 + 80 + 15 + 61 = 666.

3507801561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3507801561 - 2¹⁵ = 3507768793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3507801551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17716071 + ... + 17716268.

It is an arithmetic number, because the mean of its divisors is an integer number (460620420).

Almost surely, 2^3507801561 is an apocalyptic number.

It is an amenable number.

3507801561 is a deficient number, since it is larger than the sum of its proper divisors (2019643479).

3507801561 is a wasteful number, since it uses less digits than its factorization.

3507801561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35432356 (or 35432353 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 3507801561 is about 59226.6963539247. The cubic root of 3507801561 is about 1519.4217504118.

The spelling of 3507801561 in words is "three billion, five hundred seven million, eight hundred one thousand, five hundred sixty-one".