3661131411056 has 40 divisors (see below), whose sum is σ = 8259749315424. Its totient is φ = 1539451480320.

The previous prime is 3661131411037. The next prime is 3661131411137. The reversal of 3661131411056 is 6501141311663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308377775 + ... + 308389646.

Almost surely, 2^{3661131411056} is an apocalyptic number.

It is an amenable number.

3661131411056 is an abundant number, since it is smaller than the sum of its proper divisors (4598617904368).

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

3661131411056 is a wasteful number, since it uses less digits than its factorization.

3661131411056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616767489 (or 616767483 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 3661131411056 in words is "three trillion, six hundred sixty-one billion, one hundred thirty-one million, four hundred eleven thousand, fifty-six".