2661525056 has 14 divisors (see below), whose sum is σ = 5281463910. Its totient is φ = 1330762496.

The previous prime is 2661525037. The next prime is 2661525067. The reversal of 2661525056 is 6505251662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1807950400 + 853574656 = 42520^2 + 29216^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20793101 + ... + 20793228.

Almost surely, 2^2661525056 is an apocalyptic number.

It is an amenable number.

2661525056 is a deficient number, since it is larger than the sum of its proper divisors (2619938854).

2661525056 is an equidigital number, since it uses as much as digits as its factorization.

2661525056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41586341 (or 41586331 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2661525056 is about 51589.9704981501. The cubic root of 2661525056 is about 1385.8307268493.

The spelling of 2661525056 in words is "two billion, six hundred sixty-one million, five hundred twenty-five thousand, fifty-six".