5661010501 has 16 divisors (see below), whose sum is σ = 5909647744. Its totient is φ = 5418814464.

The previous prime is 5661010441. The next prime is 5661010517. The reversal of 5661010501 is 1050101665.

It is a cyclic number.

It is not a de Polignac number, because 5661010501 - 2²⁷ = 5526792773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661010541) 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, 423025 + ... + 436201.

It is an arithmetic number, because the mean of its divisors is an integer number (369352984).

Almost surely, 2^5661010501 is an apocalyptic number.

It is an amenable number.

5661010501 is a deficient number, since it is larger than the sum of its proper divisors (248637243).

5661010501 is a wasteful number, since it uses less digits than its factorization.

5661010501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 5661010501 is about 75239.6870075893. The cubic root of 5661010501 is about 1782.2337085145.

The spelling of 5661010501 in words is "five billion, six hundred sixty-one million, ten thousand, five hundred one".