3561130128 has 40 divisors (see below), whose sum is σ = 9204261088. Its totient is φ = 1186440192.

The previous prime is 3561130123. The next prime is 3561130129. The reversal of 3561130128 is 8210311653.

It is a junction number, because it is equal to n+sod(n) for n = 3561130095 and 3561130104.

It is not an unprimeable number, because it can be changed into a prime (3561130123) 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, 82176 + ... + 117792.

Almost surely, 2^3561130128 is an apocalyptic number.

It is an amenable number.

3561130128 is an abundant number, since it is smaller than the sum of its proper divisors (5643130960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3561130128 is a wasteful number, since it uses less digits than its factorization.

3561130128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37711 (or 37705 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3561130128 is about 59675.2053033754. The cubic root of 3561130128 is about 1527.0829017888.

The spelling of 3561130128 in words is "three billion, five hundred sixty-one million, one hundred thirty thousand, one hundred twenty-eight".