5661040125 has 32 divisors (see below), whose sum is σ = 10144592640. Its totient is φ = 2786971200.

The previous prime is 5661040123. The next prime is 5661040129. The reversal of 5661040125 is 5210401665.

It is not a de Polignac number, because 5661040125 - 2¹ = 5661040123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5661040092 and 5661040101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661040123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575745 + ... + 585494.

It is an arithmetic number, because the mean of its divisors is an integer number (317018520).

Almost surely, 2^5661040125 is an apocalyptic number.

It is an amenable number.

5661040125 is a deficient number, since it is larger than the sum of its proper divisors (4483552515).

5661040125 is a wasteful number, since it uses less digits than its factorization.

5661040125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161270 (or 1161260 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 5661040125 is about 75239.8838715212. The cubic root of 5661040125 is about 1782.2368173116.

The spelling of 5661040125 in words is "five billion, six hundred sixty-one million, forty thousand, one hundred twenty-five".