3561130750947 has 64 divisors (see below), whose sum is σ = 5968552424448. Its totient is φ = 1834747200000.

The previous prime is 3561130750913. The next prime is 3561130750949. The reversal of 3561130750947 is 7490570311653.

It is a happy number.

It is not a de Polignac number, because 3561130750947 - 2⁸ = 3561130750691 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3561130750947.

It is not an unprimeable number, because it can be changed into a prime (3561130750949) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19529697 + ... + 19711197.

It is an arithmetic number, because the mean of its divisors is an integer number (93258631632).

Almost surely, 2^{3561130750947} is an apocalyptic number.

3561130750947 is a deficient number, since it is larger than the sum of its proper divisors (2407421673501).

3561130750947 is a wasteful number, since it uses less digits than its factorization.

3561130750947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182220.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 3561130750947 in words is "three trillion, five hundred sixty-one billion, one hundred thirty million, seven hundred fifty thousand, nine hundred forty-seven".